General fact: 28897 is a number for which we're missing a fact (submit one to numbersapi at google mail!).
Mathematical fact: 28897 is an uninteresting number.
Trivia: 28897 is a boring number.
Historical date: February 11th is the day in 1990 that Nelson Mandela is released from Victor Verster Prison outside Cape Town, South Africa after 27 years as a political prisoner.