86508730 has 32 divisors (see below), whose sum is σ = 194140800. Its totient is φ = 26963520.

The previous prime is 86508707. The next prime is 86508739. The reversal of 86508730 is 3780568.

It is a self number, because there is not a number n which added to its sum of digits gives 86508730.

It is not an unprimeable number, because it can be changed into a prime (86508739) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 55405 + ... + 56944.

It is an arithmetic number, because the mean of its divisors is an integer number (6066900).

Almost surely, 2^86508730 is an apocalyptic number.

86508730 is an abundant number, since it is smaller than the sum of its proper divisors (107632070).

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

86508730 is a wasteful number, since it uses less digits than its factorization.

86508730 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 112374.

The product of its (nonzero) digits is 40320, while the sum is 37.

The square root of 86508730 is about 9301.0069347356. The cubic root of 86508730 is about 442.2691487406.

The spelling of 86508730 in words is "eighty-six million, five hundred eight thousand, seven hundred thirty".