86506636 has 12 divisors (see below), whose sum is σ = 152543160. Its totient is φ = 42922880.

The previous prime is 86506633. The next prime is 86506663. The reversal of 86506636 is 63660568.

It is not an unprimeable number, because it can be changed into a prime (86506633) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 82021 + ... + 83068.

It is an arithmetic number, because the mean of its divisors is an integer number (12711930).

Almost surely, 2^86506636 is an apocalyptic number.

It is an amenable number.

86506636 is a deficient number, since it is larger than the sum of its proper divisors (66036524).

86506636 is a wasteful number, since it uses less digits than its factorization.

86506636 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 165224 (or 165222 counting only the distinct ones).

The product of its (nonzero) digits is 155520, while the sum is 40.

The square root of 86506636 is about 9300.8943655973. The cubic root of 86506636 is about 442.2655802411.

The spelling of 86506636 in words is "eighty-six million, five hundred six thousand, six hundred thirty-six".