317784127340 has 12 divisors (see below), whose sum is σ = 667346667456. Its totient is φ = 127113650928.

The previous prime is 317784127333. The next prime is 317784127357. The reversal of 317784127340 is 43721487713.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7944603164 + ... + 7944603203.

It is an arithmetic number, because the mean of its divisors is an integer number (55612222288).

Almost surely, 2^317784127340 is an apocalyptic number.

It is an amenable number.

317784127340 is an abundant number, since it is smaller than the sum of its proper divisors (349562540116).

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

317784127340 is a wasteful number, since it uses less digits than its factorization.

317784127340 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15889206376 (or 15889206374 counting only the distinct ones).

The product of its (nonzero) digits is 790272, while the sum is 47.

The spelling of 317784127340 in words is "three hundred seventeen billion, seven hundred eighty-four million, one hundred twenty-seven thousand, three hundred forty".