979920512 has 32 divisors (see below), whose sum is σ = 1958064420. Its totient is φ = 488484864.

The previous prime is 979920467. The next prime is 979920521. The reversal of 979920512 is 215029979.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 940280896 + 39639616 = 30664^2 + 6296^2 .

It is a tau number, because it is divible by the number of its divisors (32).

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 31778 + ... + 54494.

Almost surely, 2^979920512 is an apocalyptic number.

It is an amenable number.

979920512 is a deficient number, since it is larger than the sum of its proper divisors (978143908).

979920512 is a wasteful number, since it uses less digits than its factorization.

979920512 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23068 (or 23056 counting only the distinct ones).

The product of its (nonzero) digits is 102060, while the sum is 44.

The square root of 979920512 is about 31303.6820837422. The cubic root of 979920512 is about 993.2615323785.

The spelling of 979920512 in words is "nine hundred seventy-nine million, nine hundred twenty thousand, five hundred twelve".