979639965315 has 24 divisors (see below), whose sum is σ = 1852410117168. Its totient is φ = 474976952640.

The previous prime is 979639965263. The next prime is 979639965323. The reversal of 979639965315 is 513569936979.

979639965315 is a `hidden beast` number, since 97 + 96 + 399 + 6 + 53 + 15 = 666.

It is not a de Polignac number, because 979639965315 - 2⁹ = 979639964803 is a prime.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 989534824 + ... + 989535813.

It is an arithmetic number, because the mean of its divisors is an integer number (77183754882).

Almost surely, 2^979639965315 is an apocalyptic number.

979639965315 is a deficient number, since it is larger than the sum of its proper divisors (872770151853).

979639965315 is a wasteful number, since it uses less digits than its factorization.

979639965315 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1979070659 (or 1979070656 counting only the distinct ones).

The product of its digits is 372008700, while the sum is 72.

The spelling of 979639965315 in words is "nine hundred seventy-nine billion, six hundred thirty-nine million, nine hundred sixty-five thousand, three hundred fifteen".