86217708 has 24 divisors (see below), whose sum is σ = 209922048. Its totient is φ = 27489616.

The previous prime is 86217701. The next prime is 86217713. The reversal of 86217708 is 80771268.

It is not an unprimeable number, because it can be changed into a prime (86217701) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 155916 + ... + 156467.

It is an arithmetic number, because the mean of its divisors is an integer number (8746752).

Almost surely, 2^86217708 is an apocalyptic number.

It is an amenable number.

86217708 is an abundant number, since it is smaller than the sum of its proper divisors (123704340).

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

86217708 is a wasteful number, since it uses less digits than its factorization.

86217708 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 312413 (or 312411 counting only the distinct ones).

The product of its (nonzero) digits is 37632, while the sum is 39.

The square root of 86217708 is about 9285.3491049071. The cubic root of 86217708 is about 441.7726491283.

The spelling of 86217708 in words is "eighty-six million, two hundred seventeen thousand, seven hundred eight".