655979112 has 24 divisors (see below), whose sum is σ = 1776610290. Its totient is φ = 218659680.

The previous prime is 655979099. The next prime is 655979167. The reversal of 655979112 is 211979556.

655979112 is a `hidden beast` number, since 6 + 559 + 7 + 91 + 1 + 2 = 666.

It can be written as a sum of positive squares in only one way, i.e., 463713156 + 192265956 = 21534^2 + 13866^2 .

It is a tau number, because it is divible by the number of its divisors (24).

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 4555339 + ... + 4555482.

Almost surely, 2^655979112 is an apocalyptic number.

It is an amenable number.

655979112 is an abundant number, since it is smaller than the sum of its proper divisors (1120631178).

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

655979112 is a wasteful number, since it uses less digits than its factorization.

655979112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9110833 (or 9110826 counting only the distinct ones).

The product of its digits is 170100, while the sum is 45.

The square root of 655979112 is about 25612.0891767931. The cubic root of 655979112 is about 868.8870747460.

The spelling of 655979112 in words is "six hundred fifty-five million, nine hundred seventy-nine thousand, one hundred twelve".