317485663870 has 16 divisors (see below), whose sum is σ = 571688198208. Its totient is φ = 126946709280.

The previous prime is 317485663853. The next prime is 317485663889. The reversal of 317485663870 is 78366584713.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5916489 + ... + 5969908.

It is an arithmetic number, because the mean of its divisors is an integer number (35730512388).

Almost surely, 2^317485663870 is an apocalyptic number.

317485663870 is a deficient number, since it is larger than the sum of its proper divisors (254202534338).

317485663870 is a wasteful number, since it uses less digits than its factorization.

317485663870 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11889075.

The product of its (nonzero) digits is 20321280, while the sum is 58.

The spelling of 317485663870 in words is "three hundred seventeen billion, four hundred eighty-five million, six hundred sixty-three thousand, eight hundred seventy".