316979986820 has 48 divisors (see below), whose sum is σ = 760786266240. Its totient is φ = 108673953024.

The previous prime is 316979986787. The next prime is 316979986837. The reversal of 316979986820 is 28689979613.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4526312 + ... + 4595808.

It is an arithmetic number, because the mean of its divisors is an integer number (15849713880).

Almost surely, 2^316979986820 is an apocalyptic number.

It is an amenable number.

316979986820 is an abundant number, since it is smaller than the sum of its proper divisors (443806279420).

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

316979986820 is a wasteful number, since it uses less digits than its factorization.

316979986820 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 102092 (or 102090 counting only the distinct ones).

The product of its (nonzero) digits is 70543872, while the sum is 68.

The spelling of 316979986820 in words is "three hundred sixteen billion, nine hundred seventy-nine million, nine hundred eighty-six thousand, eight hundred twenty".