86072856 has 32 divisors (see below), whose sum is σ = 216135600. Its totient is φ = 28563840.

The previous prime is 86072843. The next prime is 86072881. The reversal of 86072856 is 65827068.

It is a super-3 number, since 3×86072856³ (a number of 25 digits) contains 333 as substring.

It is a congruent number.

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 7 ways as a sum of consecutive naturals, for example, 2335 + ... + 13326.

Almost surely, 2^86072856 is an apocalyptic number.

It is an amenable number.

86072856 is an abundant number, since it is smaller than the sum of its proper divisors (130062744).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

86072856 is a wasteful number, since it uses less digits than its factorization.

86072856 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15899 (or 15895 counting only the distinct ones).

The product of its (nonzero) digits is 161280, while the sum is 42.

The square root of 86072856 is about 9277.5457961683. The cubic root of 86072856 is about 441.5251070877.

The spelling of 86072856 in words is "eighty-six million, seventy-two thousand, eight hundred fifty-six".