86725656 has 48 divisors (see below), whose sum is σ = 235740960. Its totient is φ = 28802880.

The previous prime is 86725643. The next prime is 86725673. The reversal of 86725656 is 65652768.

86725656 is a `hidden beast` number, since 86 + 7 + 2 + 565 + 6 = 666.

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 11 ways as a sum of consecutive naturals, for example, 19041 + ... + 23151.

It is an arithmetic number, because the mean of its divisors is an integer number (4911270).

Almost surely, 2^86725656 is an apocalyptic number.

It is an amenable number.

86725656 is an abundant number, since it is smaller than the sum of its proper divisors (149015304).

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

86725656 is a wasteful number, since it uses less digits than its factorization.

86725656 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4416 (or 4409 counting only the distinct ones).

The product of its digits is 604800, while the sum is 45.

The square root of 86725656 is about 9312.6610590099. The cubic root of 86725656 is about 442.6385126084.

The spelling of 86725656 in words is "eighty-six million, seven hundred twenty-five thousand, six hundred fifty-six".