86913688 has 32 divisors (see below), whose sum is σ = 170553600. Its totient is φ = 41444128.

The previous prime is 86913683. The next prime is 86913691. The reversal of 86913688 is 88631968.

It is a super-2 number, since 2×86913688² = 15107978323522688, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (86913683) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 103173 + ... + 104011.

It is an arithmetic number, because the mean of its divisors is an integer number (5329800).

Almost surely, 2^86913688 is an apocalyptic number.

It is an amenable number.

86913688 is a deficient number, since it is larger than the sum of its proper divisors (83639912).

86913688 is a wasteful number, since it uses less digits than its factorization.

86913688 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1431 (or 1427 counting only the distinct ones).

The product of its digits is 497664, while the sum is 49.

The square root of 86913688 is about 9322.7510961089. The cubic root of 86913688 is about 442.9581801279.

The spelling of 86913688 in words is "eighty-six million, nine hundred thirteen thousand, six hundred eighty-eight".