86977677968 has 20 divisors (see below), whose sum is σ = 168830763708. Its totient is φ = 43408448640.

The previous prime is 86977677923. The next prime is 86977677989.

86977677968 is nontrivially palindromic in base 10.

It can be written as a sum of positive squares in 2 ways, for example, as 33390983824 + 53586694144 = 182732^2 + 231488^2 .

It is a super-2 number, since 2×86977677968² (a number of 23 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 86977677892 and 86977677901.

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, 5015471 + ... + 5032782.

Almost surely, 2^86977677968 is an apocalyptic number.

It is an amenable number.

86977677968 is a deficient number, since it is larger than the sum of its proper divisors (81853085740).

86977677968 is a wasteful number, since it uses less digits than its factorization.

86977677968 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10048802 (or 10048796 counting only the distinct ones).

The product of its digits is 2688505344, while the sum is 80.

The spelling of 86977677968 in words is "eighty-six billion, nine hundred seventy-seven million, six hundred seventy-seven thousand, nine hundred sixty-eight".