Recover mobile number to get into iCloud

I reset the iphone

and my icloud was

*****@gmail.com

And when the iphone restart from beggin

i enter the icloud and the correct password

but i cant enter becouse he want the mobile number . And i dont remmber the number becouse i doing this account from 4 years

please i want now that number

becouse th my icloud have important information about my collage

becouse

[Edited by Moderator]