633220772772 has 96 divisors (see below), whose sum is σ = 1733530385664. Its totient is φ = 176124211200.

The previous prime is 633220772747. The next prime is 633220772809. The reversal of 633220772772 is 277277022336.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1388268 + ... + 1787100.

It is an arithmetic number, because the mean of its divisors is an integer number (18057608184).

Almost surely, 2^633220772772 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 633220772772, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (866765192832).

633220772772 is an abundant number, since it is smaller than the sum of its proper divisors (1100309612892).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

633220772772 is a wasteful number, since it uses less digits than its factorization.

633220772772 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 399349 (or 399347 counting only the distinct ones).

The product of its (nonzero) digits is 2074464, while the sum is 48.

The spelling of 633220772772 in words is "six hundred thirty-three billion, two hundred twenty million, seven hundred seventy-two thousand, seven hundred seventy-two".