86031136 has 12 divisors (see below), whose sum is σ = 169373862. Its totient is φ = 43015552.

The previous prime is 86031097. The next prime is 86031173. The reversal of 86031136 is 63113068.

It can be written as a sum of positive squares in only one way, i.e., 76667536 + 9363600 = 8756^2 + 3060^2 .

It is a super-2 number, since 2×86031136² = 14802712722900992, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1344205 + ... + 1344268.

Almost surely, 2^86031136 is an apocalyptic number.

It is an amenable number.

86031136 is a deficient number, since it is larger than the sum of its proper divisors (83342726).

86031136 is a wasteful number, since it uses less digits than its factorization.

86031136 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2688483 (or 2688475 counting only the distinct ones).

The product of its (nonzero) digits is 2592, while the sum is 28.

The square root of 86031136 is about 9275.2970841909. The cubic root of 86031136 is about 441.4537589868.

The spelling of 86031136 in words is "eighty-six million, thirty-one thousand, one hundred thirty-six".