316817998788 has 12 divisors (see below), whose sum is σ = 739241997200. Its totient is φ = 105605999592.

The previous prime is 316817998787. The next prime is 316817998793. The reversal of 316817998788 is 887899718613.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (12).

It is not an unprimeable number, because it can be changed into a prime (316817998781) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 13200749938 + ... + 13200749961.

Almost surely, 2^316817998788 is an apocalyptic number.

It is an amenable number.

316817998788 is an abundant number, since it is smaller than the sum of its proper divisors (422423998412).

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

316817998788 is a wasteful number, since it uses less digits than its factorization.

316817998788 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26401499906 (or 26401499904 counting only the distinct ones).

The product of its digits is 292626432, while the sum is 75.

The spelling of 316817998788 in words is "three hundred sixteen billion, eight hundred seventeen million, nine hundred ninety-eight thousand, seven hundred eighty-eight".