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FILE NO. 333-59997
RULE 424(B)(3)
PROSPECTUS SUPPLEMENT
(TO THE PROSPECTUS AND PROSPECTUS SUPPLEMENT DATED JULY 30, 1998)
PROSPECTUS NUMBER: 1780
MERRILL LYNCH & CO., INC.
MEDIUM-TERM NOTES, SERIES B
DUE NINE MONTHS OR MORE FROM DATE OF ISSUE
FIXED RATE NOTES
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PRINCIPAL AMOUNT: $20,000,000
CUSIP NUMBER: 59018SR71
INTEREST RATE: 6.00000%
ORIGINAL ISSUE DATE: October 9, 1998
STATED MATURITY DATE: October 11, 2005
INTEREST PAYMENT DATES: Each May 15 and November 15, commencing on November 15, 1998 to the Stated
Maturity Date, subject to Following Business Day Convention.
REPAYMENT AT THE OPTION
OF THE HOLDER: The Notes cannot be repaid prior to the Stated Maturity Date.
REDEMPTION AT THE OPTION
OF THE COMPANY: The Notes cannot be redeemed prior to the Stated Maturity Date.
FORM: The Notes are being issued in fully registered book-entry form.
TRUSTEE: The Chase Manhattan Bank
DATED: October 8, 1998
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