General fact: 9770 is a number for which we're missing a fact (submit one to numbersapi at google mail!).
Mathematical fact: 9770 is the number of Hamiltonian cycles of a 4×12 rectangle graph.
Trivia: 9770 is a boring number.
Historical date: September 30th is the day in 1954 that the U.S. Navy submarine USS Nautilus is commissioned as the world's first nuclear reactor powered vessel.