979711655290 has 32 divisors (see below), whose sum is σ = 1867668276240. Its totient is φ = 368743117824.

The previous prime is 979711655281. The next prime is 979711655317. The reversal of 979711655290 is 92556117979.

It can be written as a sum of positive squares in 8 ways, for example, as 690406442649 + 289305212641 = 830907^2 + 537871^2 .

It is a super-2 number, since 2×979711655290² (a number of 25 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5416 + ... + 1399804.

Almost surely, 2^979711655290 is an apocalyptic number.

979711655290 is a deficient number, since it is larger than the sum of its proper divisors (887956620950).

979711655290 is a wasteful number, since it uses less digits than its factorization.

979711655290 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1398546.

The product of its (nonzero) digits is 10716300, while the sum is 61.

The spelling of 979711655290 in words is "nine hundred seventy-nine billion, seven hundred eleven million, six hundred fifty-five thousand, two hundred ninety".