90317306986 has 16 divisors (see below), whose sum is σ = 139477665600. Its totient is φ = 43835821920.

The previous prime is 90317306983. The next prime is 90317307043. The reversal of 90317306986 is 68960371309.

It is not an unprimeable number, because it can be changed into a prime (90317306983) 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, 2751096 + ... + 2783731.

It is an arithmetic number, because the mean of its divisors is an integer number (8717354100).

Almost surely, 2^90317306986 is an apocalyptic number.

90317306986 is a deficient number, since it is larger than the sum of its proper divisors (49160358614).

90317306986 is a wasteful number, since it uses less digits than its factorization.

90317306986 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5535069.

The product of its (nonzero) digits is 1469664, while the sum is 52.

The spelling of 90317306986 in words is "ninety billion, three hundred seventeen million, three hundred six thousand, nine hundred eighty-six".