(68) باب لِلَّهِ مِائَةُ اسْمٍ غَيْرَ وَاحِدٍ
Narrated Abu Huraira:
Allah has ninety-nine Names, i.e., one hundred minus one, and whoever believes in their meanings and acts accordingly, will enter Paradise; and Allah is witr (one) and loves 'the witr' (i.e., odd numbers).
Reference: Sahih al-Bukhari 6410
In-book reference: Book 80, Hadith 105
USC-MSA web (English) reference(deprecated numbering scheme): Vol. 8, Book 75, Hadith 419