318297977609 has 16 divisors (see below), whose sum is σ = 320045289600. Its totient is φ = 316557714816.

The previous prime is 318297977579. The next prime is 318297977611. The reversal of 318297977609 is 906779792813.

It is a cyclic number.

It is not a de Polignac number, because 318297977609 - 2⁸ = 318297977353 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (318297977009) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 281928557 + ... + 281929685.

It is an arithmetic number, because the mean of its divisors is an integer number (20002830600).

Almost surely, 2^318297977609 is an apocalyptic number.

It is an amenable number.

318297977609 is a deficient number, since it is larger than the sum of its proper divisors (1747311991).

318297977609 is a wasteful number, since it uses less digits than its factorization.

318297977609 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3104.

The product of its (nonzero) digits is 72013536, while the sum is 68.

The spelling of 318297977609 in words is "three hundred eighteen billion, two hundred ninety-seven million, nine hundred seventy-seven thousand, six hundred nine".