86550012 has 48 divisors (see below), whose sum is σ = 234151680. Its totient is φ = 27594864.

The previous prime is 86550001. The next prime is 86550019. The reversal of 86550012 is 21005568.

86550012 is a `hidden beast` number, since 8 + 655 + 0 + 0 + 1 + 2 = 666.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (86550019) 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, 14938 + ... + 19905.

It is an arithmetic number, because the mean of its divisors is an integer number (4878160).

Almost surely, 2^86550012 is an apocalyptic number.

It is an amenable number.

86550012 is an abundant number, since it is smaller than the sum of its proper divisors (147601668).

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

86550012 is a wasteful number, since it uses less digits than its factorization.

86550012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34879 (or 34871 counting only the distinct ones).

The product of its (nonzero) digits is 2400, while the sum is 27.

The square root of 86550012 is about 9303.2258921301. The cubic root of 86550012 is about 442.3394878904.

The spelling of 86550012 in words is "eighty-six million, five hundred fifty thousand, twelve".