Who knows eighty-nine?
Please cite/link your sources, if possible. At some point in the next few days, I will:
Upvote all interesting answers.
Accept the best answer.
Go on to the next number.
Number of pesukim in the parasha of the korbanos of the nesiim (and the gematria of chanuka)
The Beis Hamikdash, as renovated by Herod, stood for 89 years (he started the work in 19 BCE, and it was destroyed in 70 CE).
Sara's age when visited by malachim