86618639104 has 36 divisors (see below), whose sum is σ = 174841654680. Its totient is φ = 42822686720.

The previous prime is 86618639087. The next prime is 86618639113. The reversal of 86618639104 is 40193681668.

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, 1878082 + ... + 1923649.

It is an arithmetic number, because the mean of its divisors is an integer number (4856712630).

Almost surely, 2^86618639104 is an apocalyptic number.

It is an amenable number.

86618639104 is an abundant number, since it is smaller than the sum of its proper divisors (88223015576).

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

86618639104 is an equidigital number, since it uses as much as digits as its factorization.

86618639104 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3801836 (or 3801822 counting only the distinct ones).

The product of its (nonzero) digits is 1492992, while the sum is 52.

The spelling of 86618639104 in words is "eighty-six billion, six hundred eighteen million, six hundred thirty-nine thousand, one hundred four".