8977520772 has 36 divisors (see below), whose sum is σ = 24756194736. Its totient is φ = 2720460720.

The previous prime is 8977520743. The next prime is 8977520809. The reversal of 8977520772 is 2770257798.

It is a tau number, because it is divible by the number of its divisors (36).

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 11334858 + ... + 11335649.

It is an arithmetic number, because the mean of its divisors is an integer number (687672076).

Almost surely, 2^8977520772 is an apocalyptic number.

It is an amenable number.

8977520772 is an abundant number, since it is smaller than the sum of its proper divisors (15778673964).

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

8977520772 is a wasteful number, since it uses less digits than its factorization.

8977520772 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22670528 (or 22670523 counting only the distinct ones).

The product of its (nonzero) digits is 3457440, while the sum is 54.

The square root of 8977520772 is about 94749.7797992164. The cubic root of 8977520772 is about 2078.3505763031.

The spelling of 8977520772 in words is "eight billion, nine hundred seventy-seven million, five hundred twenty thousand, seven hundred seventy-two".