86472216 has 24 divisors (see below), whose sum is σ = 234195780. Its totient is φ = 28824048.

The previous prime is 86472181. The next prime is 86472227. The reversal of 86472216 is 61227468.

86472216 is a `hidden beast` number, since 8 + 647 + 2 + 2 + 1 + 6 = 666.

It is a tau number, because it is divible by the number of its divisors (24).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is an unprimeable number.

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 5 ways as a sum of consecutive naturals, for example, 600430 + ... + 600573.

Almost surely, 2^86472216 is an apocalyptic number.

It is an amenable number.

86472216 is an abundant number, since it is smaller than the sum of its proper divisors (147723564).

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

86472216 is a wasteful number, since it uses less digits than its factorization.

86472216 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1201015 (or 1201008 counting only the distinct ones).

The product of its digits is 32256, while the sum is 36.

The square root of 86472216 is about 9299.0438218131. The cubic root of 86472216 is about 442.2069149895.

The spelling of 86472216 in words is "eighty-six million, four hundred seventy-two thousand, two hundred sixteen".