86817708 has 72 divisors (see below), whose sum is σ = 234404352. Its totient is φ = 26998272.

The previous prime is 86817697. The next prime is 86817719. The reversal of 86817708 is 80771868.

It is an interprime number because it is at equal distance from previous prime (86817697) and next prime (86817719).

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 77166 + ... + 78282.

It is an arithmetic number, because the mean of its divisors is an integer number (3255616).

Almost surely, 2^86817708 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 86817708, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (117202176).

86817708 is an abundant number, since it is smaller than the sum of its proper divisors (147586644).

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

86817708 is a wasteful number, since it uses less digits than its factorization.

86817708 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1271 (or 1266 counting only the distinct ones).

The product of its (nonzero) digits is 150528, while the sum is 45.

The square root of 86817708 is about 9317.6020520303. The cubic root of 86817708 is about 442.7950651007.

The spelling of 86817708 in words is "eighty-six million, eight hundred seventeen thousand, seven hundred eight".