86368131 has 18 divisors (see below), whose sum is σ = 126881820. Its totient is φ = 56612880.

The previous prime is 86368127. The next prime is 86368171. The reversal of 86368131 is 13186368.

86368131 is a `hidden beast` number, since 8 + 636 + 8 + 13 + 1 = 666.

It is not a de Polignac number, because 86368131 - 2² = 86368127 is a prime.

It is a super-2 number, since 2×86368131² = 14918908104866322, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (86368171) by changing a digit.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 32200 + ... + 34778.

It is an arithmetic number, because the mean of its divisors is an integer number (7048990).

Almost surely, 2^86368131 is an apocalyptic number.

86368131 is a deficient number, since it is larger than the sum of its proper divisors (40513689).

86368131 is a wasteful number, since it uses less digits than its factorization.

86368131 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2707 (or 2643 counting only the distinct ones).

The product of its digits is 20736, while the sum is 36.

The square root of 86368131 is about 9293.4455935353. The cubic root of 86368131 is about 442.0294183377.

The spelling of 86368131 in words is "eighty-six million, three hundred sixty-eight thousand, one hundred thirty-one".