979886688979 has 24 divisors (see below), whose sum is σ = 1100354411520. Its totient is φ = 871557453360.

The previous prime is 979886688931. The next prime is 979886688997.

979886688979 is nontrivially palindromic in base 10.

It is not a de Polignac number, because 979886688979 - 2²¹ = 979884591827 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (979886688779) 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 23 ways as a sum of consecutive naturals, for example, 17710132 + ... + 17765374.

It is an arithmetic number, because the mean of its divisors is an integer number (45848100480).

Almost surely, 2^979886688979 is an apocalyptic number.

979886688979 is a deficient number, since it is larger than the sum of its proper divisors (120467722541).

979886688979 is a wasteful number, since it uses less digits than its factorization.

979886688979 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 58431 (or 58420 counting only the distinct ones).

The product of its digits is 47405481984, while the sum is 94.

The spelling of 979886688979 in words is "nine hundred seventy-nine billion, eight hundred eighty-six million, six hundred eighty-eight thousand, nine hundred seventy-nine".