317887085 has 16 divisors (see below), whose sum is σ = 393984000. Its totient is φ = 246086016.

The previous prime is 317887079. The next prime is 317887099. The reversal of 317887085 is 580788713.

It is a cyclic number.

It is not a de Polignac number, because 317887085 - 2⁴ = 317887069 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (47).

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 13316 + ... + 28514.

It is an arithmetic number, because the mean of its divisors is an integer number (24624000).

Almost surely, 2^317887085 is an apocalyptic number.

It is an amenable number.

317887085 is a deficient number, since it is larger than the sum of its proper divisors (76096915).

317887085 is a wasteful number, since it uses less digits than its factorization.

317887085 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15340.

The product of its (nonzero) digits is 376320, while the sum is 47.

The square root of 317887085 is about 17829.3882396452. The cubic root of 317887085 is about 682.4816223186.

It can be divided in two parts, 31788708 and 5, that added together give a palindrome (31788713).

The spelling of 317887085 in words is "three hundred seventeen million, eight hundred eighty-seven thousand, eighty-five".