86813208 has 48 divisors (see below), whose sum is σ = 243832680. Its totient is φ = 28937088.

The previous prime is 86813189. The next prime is 86813227. The reversal of 86813208 is 80231868.

It is an interprime number because it is at equal distance from previous prime (86813189) and next prime (86813227).

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 (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 20385 + ... + 24272.

Almost surely, 2^86813208 is an apocalyptic number.

It is an amenable number.

86813208 is an abundant number, since it is smaller than the sum of its proper divisors (157019472).

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

86813208 is a wasteful number, since it uses less digits than its factorization.

86813208 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 44678 (or 44662 counting only the distinct ones).

The product of its (nonzero) digits is 18432, while the sum is 36.

The square root of 86813208 is about 9317.3605704620. The cubic root of 86813208 is about 442.7874145408.

The spelling of 86813208 in words is "eighty-six million, eight hundred thirteen thousand, two hundred eight".