979973760 has 64 divisors (see below), whose sum is σ = 3123672480. Its totient is φ = 261325824.

The previous prime is 979973717. The next prime is 979973777. The reversal of 979973760 is 67379979.

It is a tau number, because it is divible by the number of its divisors (64).

It is a self number, because there is not a number n which added to its sum of digits gives 979973760.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 253282 + ... + 257121.

Almost surely, 2^979973760 is an apocalyptic number.

It is an amenable number.

979973760 is an abundant number, since it is smaller than the sum of its proper divisors (2143698720).

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

979973760 is a wasteful number, since it uses less digits than its factorization.

979973760 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 510425 (or 510413 counting only the distinct ones).

The product of its (nonzero) digits is 4500846, while the sum is 57.

The square root of 979973760 is about 31304.5325791650. The cubic root of 979973760 is about 993.2795230324.

The spelling of 979973760 in words is "nine hundred seventy-nine million, nine hundred seventy-three thousand, seven hundred sixty".