86452631856 has 80 divisors (see below), whose sum is σ = 256155985920. Its totient is φ = 27887941440.

The previous prime is 86452631821. The next prime is 86452631879. The reversal of 86452631856 is 65813625468.

86452631856 is a `hidden beast` number, since 8 + 6 + 4 + 526 + 31 + 85 + 6 = 666.

It is a Harshad number since it is a multiple of its sum of digits (54).

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, 3214380 + ... + 3241163.

It is an arithmetic number, because the mean of its divisors is an integer number (3201949824).

Almost surely, 2^86452631856 is an apocalyptic number.

It is an amenable number.

86452631856 is an abundant number, since it is smaller than the sum of its proper divisors (169703354064).

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

86452631856 is a wasteful number, since it uses less digits than its factorization.

86452631856 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6455591 (or 6455579 counting only the distinct ones).

The product of its digits is 8294400, while the sum is 54.

The spelling of 86452631856 in words is "eighty-six billion, four hundred fifty-two million, six hundred thirty-one thousand, eight hundred fifty-six".