86681427492 has 48 divisors (see below), whose sum is σ = 220701083904. Its totient is φ = 26260260000.

The previous prime is 86681427479. The next prime is 86681427523. The reversal of 86681427492 is 29472418668.

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, 435367 + ... + 602417.

It is an arithmetic number, because the mean of its divisors is an integer number (4597939248).

Almost surely, 2^86681427492 is an apocalyptic number.

It is an amenable number.

86681427492 is an abundant number, since it is smaller than the sum of its proper divisors (134019656412).

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

86681427492 is a wasteful number, since it uses less digits than its factorization.

86681427492 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 171000 (or 170998 counting only the distinct ones).

The product of its digits is 9289728, while the sum is 57.

The spelling of 86681427492 in words is "eighty-six billion, six hundred eighty-one million, four hundred twenty-seven thousand, four hundred ninety-two".