Fatto generale: 86178 is a number for which we're missing a fact (submit one to numbersapi at google mail!).
Fatto matematico: 86178 is a boring number.
Trivia: 86178 is a boring number.
Data storica: December 12th is the day in 1979 that the unrecognised state of Zimbabwe Rhodesia returns to British control and resumes using the name Southern Rhodesia.