317771868 has 12 divisors (see below), whose sum is σ = 741467720. Its totient is φ = 105923952.

The previous prime is 317771851. The next prime is 317771869. The reversal of 317771868 is 868177713.

It is a tau number, because it is divible by the number of its divisors (12).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (317771869) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 13240483 + ... + 13240506.

Almost surely, 2^317771868 is an apocalyptic number.

It is an amenable number.

317771868 is an abundant number, since it is smaller than the sum of its proper divisors (423695852).

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

317771868 is a wasteful number, since it uses less digits than its factorization.

317771868 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26480996 (or 26480994 counting only the distinct ones).

The product of its digits is 395136, while the sum is 48.

The square root of 317771868 is about 17826.1568488556. The cubic root of 317771868 is about 682.3991580403.

The spelling of 317771868 in words is "three hundred seventeen million, seven hundred seventy-one thousand, eight hundred sixty-eight".