86156312 has 32 divisors (see below), whose sum is σ = 176590800. Its totient is φ = 39081600.

The previous prime is 86156309. The next prime is 86156327. The reversal of 86156312 is 21365168.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 72362 + ... + 73542.

Almost surely, 2^86156312 is an apocalyptic number.

It is an amenable number.

86156312 is an abundant number, since it is smaller than the sum of its proper divisors (90434488).

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

86156312 is a wasteful number, since it uses less digits than its factorization.

86156312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2027 (or 2023 counting only the distinct ones).

The product of its digits is 8640, while the sum is 32.

The square root of 86156312 is about 9282.0424476513. The cubic root of 86156312 is about 441.6677614941.

It can be divided in two parts, 86156 and 312, that added together give a palindrome (86468).

The spelling of 86156312 in words is "eighty-six million, one hundred fifty-six thousand, three hundred twelve".