8979539368 has 16 divisors (see below), whose sum is σ = 16841376180. Its totient is φ = 4488505728.

The previous prime is 8979539357. The next prime is 8979539407. The reversal of 8979539368 is 8639359798.

It can be written as a sum of positive squares in 2 ways, for example, as 8960894244 + 18645124 = 94662^2 + 4318^2 .

It is a super-2 number, since 2×8979539368² (a number of 21 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 127455 + ... + 184942.

Almost surely, 2^8979539368 is an apocalyptic number.

It is an amenable number.

8979539368 is a deficient number, since it is larger than the sum of its proper divisors (7861836812).

8979539368 is a wasteful number, since it uses less digits than its factorization.

8979539368 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 315996 (or 315992 counting only the distinct ones).

The product of its digits is 88179840, while the sum is 67.

The square root of 8979539368 is about 94760.4314468861. The cubic root of 8979539368 is about 2078.5063370401.

The spelling of 8979539368 in words is "eight billion, nine hundred seventy-nine million, five hundred thirty-nine thousand, three hundred sixty-eight".