979657655896 has 32 divisors (see below), whose sum is σ = 1838064545280. Its totient is φ = 489507242400.

The previous prime is 979657655849. The next prime is 979657655903. The reversal of 979657655896 is 698556756979.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 106630615 + ... + 106639801.

It is an arithmetic number, because the mean of its divisors is an integer number (57439517040).

Almost surely, 2^979657655896 is an apocalyptic number.

It is an amenable number.

979657655896 is a deficient number, since it is larger than the sum of its proper divisors (858406889384).

979657655896 is a wasteful number, since it uses less digits than its factorization.

979657655896 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16495 (or 16491 counting only the distinct ones).

The product of its digits is 7715736000, while the sum is 82.

The spelling of 979657655896 in words is "nine hundred seventy-nine billion, six hundred fifty-seven million, six hundred fifty-five thousand, eight hundred ninety-six".