Fait général: 78857 is a number for which we're missing a fact (submit one to numbersapi at google mail!).
Fait mathématique: 78857 is a boring number.
Culture générale: 78857 is an unremarkable number.
Date historique: November 26th is the day in 1998 that Tony Blair becomes the first Prime Minister of the United Kingdom to address the Republic of Ireland's parliament.