317880960 has 128 divisors (see below), whose sum is σ = 1072958400. Its totient is φ = 79773696.

The previous prime is 317880929. The next prime is 317880989. The reversal of 317880960 is 69088713.

It is a tau number, because it is divible by the number of its divisors (128).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 27771 + ... + 37509.

Almost surely, 2^317880960 is an apocalyptic number.

317880960 is a gapful number since it is divisible by the number (30) 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 317880960, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (536479200).

317880960 is an abundant number, since it is smaller than the sum of its proper divisors (755077440).

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

317880960 is a wasteful number, since it uses less digits than its factorization.

317880960 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9778 (or 9766 counting only the distinct ones).

The product of its (nonzero) digits is 72576, while the sum is 42.

The square root of 317880960 is about 17829.2164718476. The cubic root of 317880960 is about 682.4772389731.

The spelling of 317880960 in words is "three hundred seventeen million, eight hundred eighty thousand, nine hundred sixty".