317173647772 has 6 divisors (see below), whose sum is σ = 555053883608. Its totient is φ = 158586823884.

The previous prime is 317173647761. The next prime is 317173647799. The reversal of 317173647772 is 277746371713.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 39646705968 + ... + 39646705975.

Almost surely, 2^317173647772 is an apocalyptic number.

It is an amenable number.

317173647772 is a deficient number, since it is larger than the sum of its proper divisors (237880235836).

317173647772 is a wasteful number, since it uses less digits than its factorization.

317173647772 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 79293411947 (or 79293411945 counting only the distinct ones).

The product of its digits is 7260624, while the sum is 55.

The spelling of 317173647772 in words is "three hundred seventeen billion, one hundred seventy-three million, six hundred forty-seven thousand, seven hundred seventy-two".