317729770980 has 48 divisors (see below), whose sum is σ = 891590138880. Its totient is φ = 84542531328.

The previous prime is 317729770973. The next prime is 317729770999. The reversal of 317729770980 is 89077927713.

It is a Harshad number since it is a multiple of its sum of digits (60).

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, 5766340 + ... + 5821179.

It is an arithmetic number, because the mean of its divisors is an integer number (18574794560).

Almost surely, 2^317729770980 is an apocalyptic number.

317729770980 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

317729770980 is an abundant number, since it is smaller than the sum of its proper divisors (573860367900).

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

317729770980 is a wasteful number, since it uses less digits than its factorization.

317729770980 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11587988 (or 11587986 counting only the distinct ones).

The product of its (nonzero) digits is 9335088, while the sum is 60.

The spelling of 317729770980 in words is "three hundred seventeen billion, seven hundred twenty-nine million, seven hundred seventy thousand, nine hundred eighty".