975978916 has 12 divisors (see below), whose sum is σ = 1863232560. Its totient is φ = 443626760.

The previous prime is 975978907. The next prime is 975978931. The reversal of 975978916 is 619879579.

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, 11090626 + ... + 11090713.

It is an arithmetic number, because the mean of its divisors is an integer number (155269380).

Almost surely, 2^975978916 is an apocalyptic number.

It is an amenable number.

975978916 is a deficient number, since it is larger than the sum of its proper divisors (887253644).

975978916 is a wasteful number, since it uses less digits than its factorization.

975978916 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22181354 (or 22181352 counting only the distinct ones).

The product of its digits is 8573040, while the sum is 61.

The square root of 975978916 is about 31240.6612606071. The cubic root of 975978916 is about 991.9279899710.

The spelling of 975978916 in words is "nine hundred seventy-five million, nine hundred seventy-eight thousand, nine hundred sixteen".