86542256 has 20 divisors (see below), whose sum is σ = 167846400. Its totient is φ = 43227072.

The previous prime is 86542243. The next prime is 86542277. The reversal of 86542256 is 65224568.

It is a hoax number, since the sum of its digits (38) coincides with the sum of the digits of its distinct prime factors.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 18350 + ... + 22578.

It is an arithmetic number, because the mean of its divisors is an integer number (8392320).

Almost surely, 2^86542256 is an apocalyptic number.

It is an amenable number.

86542256 is a deficient number, since it is larger than the sum of its proper divisors (81304144).

86542256 is a wasteful number, since it uses less digits than its factorization.

86542256 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5516 (or 5510 counting only the distinct ones).

The product of its digits is 115200, while the sum is 38.

The square root of 86542256 is about 9302.8090381347. The cubic root of 86542256 is about 442.3262743835.

The spelling of 86542256 in words is "eighty-six million, five hundred forty-two thousand, two hundred fifty-six".