86366871 has 16 divisors (see below), whose sum is σ = 130675200. Its totient is φ = 56352024.

The previous prime is 86366857. The next prime is 86366879. The reversal of 86366871 is 17866368.

86366871 is a `hidden beast` number, since 8 + 636 + 6 + 8 + 7 + 1 = 666.

It is not a de Polignac number, because 86366871 - 2¹⁰ = 86365847 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (86366879) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 32761 + ... + 35298.

It is an arithmetic number, because the mean of its divisors is an integer number (8167200).

Almost surely, 2^86366871 is an apocalyptic number.

86366871 is a deficient number, since it is larger than the sum of its proper divisors (44308329).

86366871 is a wasteful number, since it uses less digits than its factorization.

86366871 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 68115 (or 68109 counting only the distinct ones).

The product of its digits is 290304, while the sum is 45.

The square root of 86366871 is about 9293.3778035760. The cubic root of 86366871 is about 442.0272687803.

The spelling of 86366871 in words is "eighty-six million, three hundred sixty-six thousand, eight hundred seventy-one".