Fatto generale: 97578 is a number for which we're missing a fact (submit one to numbersapi at google mail!).
Fatto matematico: 97578 is an unremarkable number.
Trivia: 97578 is a boring number.
Data storica: February 27th is the day in 1626 that Yuan Chonghuan is appointed Governor of Liaodong, after he led the Chinese into a great victory against the Manchurians under Nurhaci.