316797989976 has 144 divisors (see below), whose sum is σ = 959485690800. Its totient is φ = 97476094656.

The previous prime is 316797989917. The next prime is 316797989987. The reversal of 316797989976 is 679989797613.

It is a happy number.

316797989976 is a `hidden beast` number, since 316 + 79 + 79 + 89 + 97 + 6 = 666.

It is a Harshad number since it is a multiple of its sum of digits (81).

It is a junction number, because it is equal to n+sod(n) for n = 316797989895 and 316797989904.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 450205 + ... + 914483.

It is an arithmetic number, because the mean of its divisors is an integer number (6663095075).

Almost surely, 2^316797989976 is an apocalyptic number.

316797989976 is a gapful number since it is divisible by the number (36) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 316797989976, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (479742845400).

316797989976 is an abundant number, since it is smaller than the sum of its proper divisors (642687700824).

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

316797989976 is an equidigital number, since it uses as much as digits as its factorization.

316797989976 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 464322 (or 464297 counting only the distinct ones).

The product of its digits is 1944365472, while the sum is 81.

The spelling of 316797989976 in words is "three hundred sixteen billion, seven hundred ninety-seven million, nine hundred eighty-nine thousand, nine hundred seventy-six".