86866072 has 16 divisors (see below), whose sum is σ = 163954800. Its totient is φ = 43144800.

The previous prime is 86866067. The next prime is 86866163. The reversal of 86866072 is 27066868.

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 3 ways as a sum of consecutive naturals, for example, 34747 + ... + 37162.

It is an arithmetic number, because the mean of its divisors is an integer number (10247175).

Almost surely, 2^86866072 is an apocalyptic number.

It is an amenable number.

86866072 is a deficient number, since it is larger than the sum of its proper divisors (77088728).

86866072 is a wasteful number, since it uses less digits than its factorization.

86866072 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 72066 (or 72062 counting only the distinct ones).

The product of its (nonzero) digits is 193536, while the sum is 43.

The square root of 86866072 is about 9320.1969936263. The cubic root of 86866072 is about 442.8772732339.

The spelling of 86866072 in words is "eighty-six million, eight hundred sixty-six thousand, seventy-two".