86656692 has 12 divisors (see below), whose sum is σ = 202198976. Its totient is φ = 28885560.

The previous prime is 86656679. The next prime is 86656693. The reversal of 86656692 is 29665668.

It is a tau number, because it is divible by the number of its divisors (12).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (86656693) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3610684 + ... + 3610707.

Almost surely, 2^86656692 is an apocalyptic number.

It is an amenable number.

86656692 is an abundant number, since it is smaller than the sum of its proper divisors (115542284).

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

86656692 is a wasteful number, since it uses less digits than its factorization.

86656692 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7221398 (or 7221396 counting only the distinct ones).

The product of its digits is 933120, while the sum is 48.

The square root of 86656692 is about 9308.9576215600. The cubic root of 86656692 is about 442.5211531910.

The spelling of 86656692 in words is "eighty-six million, six hundred fifty-six thousand, six hundred ninety-two".