86578156 has 12 divisors (see below), whose sum is σ = 173156368. Its totient is φ = 37104912.

The previous prime is 86578147. The next prime is 86578159. The reversal of 86578156 is 65187568.

86578156 is an admirable number.

It is not an unprimeable number, because it can be changed into a prime (86578159) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1546011 + ... + 1546066.

Almost surely, 2^86578156 is an apocalyptic number.

It is an amenable number.

86578156 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

86578156 is a wasteful number, since it uses less digits than its factorization.

86578156 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3092088 (or 3092086 counting only the distinct ones).

The product of its digits is 403200, while the sum is 46.

The square root of 86578156 is about 9304.7383627913. The cubic root of 86578156 is about 442.3874287788.

The spelling of 86578156 in words is "eighty-six million, five hundred seventy-eight thousand, one hundred fifty-six".