979638835929 has 16 divisors (see below), whose sum is σ = 1406713107072. Its totient is φ = 602832290688.

The previous prime is 979638835837. The next prime is 979638835933. The reversal of 979638835929 is 929538836979.

It is not a de Polignac number, because 979638835929 - 2²⁸ = 979370400473 is a prime.

It is not an unprimeable number, because it can be changed into a prime (979638835999) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 630597 + ... + 1535229.

It is an arithmetic number, because the mean of its divisors is an integer number (87919569192).

Almost surely, 2^979638835929 is an apocalyptic number.

It is an amenable number.

979638835929 is a deficient number, since it is larger than the sum of its proper divisors (427074271143).

979638835929 is a wasteful number, since it uses less digits than its factorization.

979638835929 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 932416.

The product of its digits is 1587237120, while the sum is 78.

The spelling of 979638835929 in words is "nine hundred seventy-nine billion, six hundred thirty-eight million, eight hundred thirty-five thousand, nine hundred twenty-nine".