317945080549772 has 24 divisors (see below), whose sum is σ = 599849189486400. Its totient is φ = 146585924338176.

The previous prime is 317945080549771. The next prime is 317945080549801. The reversal of 317945080549772 is 277945080549713.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 317945080549696 and 317945080549705.

It is not an unprimeable number, because it can be changed into a prime (317945080549771) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3290763572 + ... + 3290860187.

It is an arithmetic number, because the mean of its divisors is an integer number (24993716228600).

Almost surely, 2^{317945080549772} is an apocalyptic number.

It is an amenable number.

317945080549772 is a deficient number, since it is larger than the sum of its proper divisors (281904108936628).

317945080549772 is a wasteful number, since it uses less digits than its factorization.

317945080549772 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6581624705 (or 6581624703 counting only the distinct ones).

The product of its (nonzero) digits is 533433600, while the sum is 71.

The spelling of 317945080549772 in words is "three hundred seventeen trillion, nine hundred forty-five billion, eighty million, five hundred forty-nine thousand, seven hundred seventy-two".