86398342656 has 80 divisors (see below), whose sum is σ = 230235692544. Its totient is φ = 28791302144.

The previous prime is 86398342643. The next prime is 86398342661. The reversal of 86398342656 is 65624389368.

It is a super-2 number, since 2×86398342656² (a number of 23 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 86398342656.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8140105 + ... + 8150711.

Almost surely, 2^86398342656 is an apocalyptic number.

It is an amenable number.

86398342656 is an abundant number, since it is smaller than the sum of its proper divisors (143837349888).

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

86398342656 is a wasteful number, since it uses less digits than its factorization.

86398342656 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15931 (or 15915 counting only the distinct ones).

The product of its digits is 44789760, while the sum is 60.

The spelling of 86398342656 in words is "eighty-six billion, three hundred ninety-eight million, three hundred forty-two thousand, six hundred fifty-six".