The first thing you should do when you suspect your Facebook account has been hacked is to change your 1 (866) 825-1531 password and contact Facebook help center.
If you think someone else who works on your Page was hacked, please tell them to go to the 1 (866) 825-1531 Hacked Accounts section of the Help Center to get immediate help.
https://knowt.com/note/b9ea38b9-2158-48b8-accb-75c88e11ca78/Can-I-recover-my-Facebook-account-if-it-
