317171485772 has 6 divisors (see below), whose sum is σ = 555050100108. Its totient is φ = 158585742884.

The previous prime is 317171485759. The next prime is 317171485789. The reversal of 317171485772 is 277584171713.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 39646435718 + ... + 39646435725.

It is an arithmetic number, because the mean of its divisors is an integer number (92508350018).

Almost surely, 2^317171485772 is an apocalyptic number.

It is an amenable number.

317171485772 is a deficient number, since it is larger than the sum of its proper divisors (237878614336).

317171485772 is a wasteful number, since it uses less digits than its factorization.

317171485772 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 79292871447 (or 79292871445 counting only the distinct ones).

The product of its digits is 2304960, while the sum is 53.

The spelling of 317171485772 in words is "three hundred seventeen billion, one hundred seventy-one million, four hundred eighty-five thousand, seven hundred seventy-two".