979517580 has 48 divisors (see below), whose sum is σ = 2744012544. Its totient is φ = 261074880.

The previous prime is 979517579. The next prime is 979517641. The reversal of 979517580 is 85715979.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 219249 + ... + 223671.

It is an arithmetic number, because the mean of its divisors is an integer number (57166928).

Almost surely, 2^979517580 is an apocalyptic number.

It is an amenable number.

979517580 is an abundant number, since it is smaller than the sum of its proper divisors (1764494964).

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

979517580 is a wasteful number, since it uses less digits than its factorization.

979517580 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8126 (or 8124 counting only the distinct ones).

The product of its (nonzero) digits is 793800, while the sum is 51.

The square root of 979517580 is about 31297.2455657043. The cubic root of 979517580 is about 993.1253744901.

The spelling of 979517580 in words is "nine hundred seventy-nine million, five hundred seventeen thousand, five hundred eighty".