86855212 has 12 divisors (see below), whose sum is σ = 152493880. Its totient is φ = 43285536.

The previous prime is 86855191. The next prime is 86855231. The reversal of 86855212 is 21255868.

It is a hoax number, since the sum of its digits (37) coincides with the sum of the digits of its distinct prime factors.

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, 34137 + ... + 36592.

Almost surely, 2^86855212 is an apocalyptic number.

It is an amenable number.

86855212 is a deficient number, since it is larger than the sum of its proper divisors (65638668).

86855212 is a wasteful number, since it uses less digits than its factorization.

86855212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 71040 (or 71038 counting only the distinct ones).

The product of its digits is 38400, while the sum is 37.

The square root of 86855212 is about 9319.6143697044. The cubic root of 86855212 is about 442.8588162862.

The spelling of 86855212 in words is "eighty-six million, eight hundred fifty-five thousand, two hundred twelve".