979321564 has 12 divisors (see below), whose sum is σ = 1845644584. Its totient is φ = 451994544.

The previous prime is 979321559. The next prime is 979321591. The reversal of 979321564 is 465123979.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9416502 + ... + 9416605.

Almost surely, 2^979321564 is an apocalyptic number.

It is an amenable number.

979321564 is a deficient number, since it is larger than the sum of its proper divisors (866323020).

979321564 is a wasteful number, since it uses less digits than its factorization.

979321564 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18833124 (or 18833122 counting only the distinct ones).

The product of its digits is 408240, while the sum is 46.

The square root of 979321564 is about 31294.1138874390. The cubic root of 979321564 is about 993.0591236968.

The spelling of 979321564 in words is "nine hundred seventy-nine million, three hundred twenty-one thousand, five hundred sixty-four".