86539172 has 12 divisors (see below), whose sum is σ = 151656960. Its totient is φ = 43208616.

The previous prime is 86539169. The next prime is 86539181. The reversal of 86539172 is 27193568.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11972 + ... + 17787.

It is an arithmetic number, because the mean of its divisors is an integer number (12638080).

Almost surely, 2^86539172 is an apocalyptic number.

It is an amenable number.

86539172 is a deficient number, since it is larger than the sum of its proper divisors (65117788).

86539172 is a wasteful number, since it uses less digits than its factorization.

86539172 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30490 (or 30488 counting only the distinct ones).

The product of its digits is 90720, while the sum is 41.

The square root of 86539172 is about 9302.6432802725. The cubic root of 86539172 is about 442.3210201085.

The spelling of 86539172 in words is "eighty-six million, five hundred thirty-nine thousand, one hundred seventy-two".