Fatto matematico: 89770 is a number for which we're missing a fact (submit one to numbersapi at google mail!).
Trivia: 89770 is an uninteresting number.
Data storica: October 12th is the day in 1964 that the Soviet Union launches the Voskhod 1 into Earth orbit as the first spacecraft with a multi-person crew and the first flight without space suits.