317804902472 has 8 divisors (see below), whose sum is σ = 595884192150. Its totient is φ = 158902451232.

The previous prime is 317804902439. The next prime is 317804902501. The reversal of 317804902472 is 274209408713.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 305846605156 + 11958297316 = 553034^2 + 109354^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 19862806397 + ... + 19862806412.

Almost surely, 2^317804902472 is an apocalyptic number.

It is an amenable number.

317804902472 is a deficient number, since it is larger than the sum of its proper divisors (278079289678).

317804902472 is a wasteful number, since it uses less digits than its factorization.

317804902472 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 39725612815 (or 39725612811 counting only the distinct ones).

The product of its (nonzero) digits is 677376, while the sum is 47.

The spelling of 317804902472 in words is "three hundred seventeen billion, eight hundred four million, nine hundred two thousand, four hundred seventy-two".