318854434868 has 12 divisors (see below), whose sum is σ = 561112554240. Its totient is φ = 158536562232.

The previous prime is 318854434837. The next prime is 318854434891. The reversal of 318854434868 is 868434458813.

It is a self number, because there is not a number n which added to its sum of digits gives 318854434868.

It is a congruent number.

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, 222662996 + ... + 222664427.

It is an arithmetic number, because the mean of its divisors is an integer number (46759379520).

Almost surely, 2^318854434868 is an apocalyptic number.

It is an amenable number.

318854434868 is a deficient number, since it is larger than the sum of its proper divisors (242258119372).

318854434868 is a wasteful number, since it uses less digits than its factorization.

318854434868 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 445327606 (or 445327604 counting only the distinct ones).

The product of its digits is 70778880, while the sum is 62.

The spelling of 318854434868 in words is "three hundred eighteen billion, eight hundred fifty-four million, four hundred thirty-four thousand, eight hundred sixty-eight".