979654566 has 32 divisors (see below), whose sum is σ = 2151065088. Its totient is φ = 294971040.

The previous prime is 979654553. The next prime is 979654567. The reversal of 979654566 is 665456979.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (979654567) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 36910 + ... + 57633.

It is an arithmetic number, because the mean of its divisors is an integer number (67220784).

Almost surely, 2^979654566 is an apocalyptic number.

979654566 is an abundant number, since it is smaller than the sum of its proper divisors (1171410522).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

979654566 is a wasteful number, since it uses less digits than its factorization.

979654566 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 94716.

The product of its digits is 12247200, while the sum is 57.

The square root of 979654566 is about 31299.4339565430. The cubic root of 979654566 is about 993.1716686843.

The spelling of 979654566 in words is "nine hundred seventy-nine million, six hundred fifty-four thousand, five hundred sixty-six".