Hecho matemático: 86735 is a number for which we're missing a fact (submit one to numbersapi at google mail!).
Trivia: 86735 is an uninteresting number.
Fecha histórica: June 21st is the day in 217 BC that the Romans, led by Gaius Flaminius, are ambushed and defeated by Hannibal at the Battle of Lake Trasimene.