Fatto generale: 86996 is a number for which we're missing a fact (submit one to numbersapi at google mail!).
Fatto matematico: 86996 is an uninteresting number.
Trivia: 86996 is an unremarkable number.
Data storica: March 9th is the day in 1945 that the Bombing of Tokyo by the United States Army Air Forces began, one of the most destructive bombing raids in history.