86372523 has 12 divisors (see below), whose sum is σ = 126806368. Its totient is φ = 56637360.

The previous prime is 86372513. The next prime is 86372551. The reversal of 86372523 is 32527368.

86372523 is a `hidden beast` number, since 8 + 63 + 72 + 523 = 666.

It is not a de Polignac number, because 86372523 - 2⁵ = 86372491 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (86372513) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 78115 + ... + 79212.

Almost surely, 2^86372523 is an apocalyptic number.

86372523 is a deficient number, since it is larger than the sum of its proper divisors (40433845).

86372523 is a wasteful number, since it uses less digits than its factorization.

86372523 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 157394 (or 157391 counting only the distinct ones).

The product of its digits is 60480, while the sum is 36.

The square root of 86372523 is about 9293.6818860987. The cubic root of 86372523 is about 442.0369109174.

The spelling of 86372523 in words is "eighty-six million, three hundred seventy-two thousand, five hundred twenty-three".