318742704967679 has 8 divisors (see below), whose sum is σ = 322778066780160. Its totient is φ = 314707359256056.

The previous prime is 318742704967649. The next prime is 318742704967721. The reversal of 318742704967679 is 976769407247813.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 318742704967679 - 2²⁰ = 318742703919103 is a prime.

It is a super-2 number, since 2×318742704967679² (a number of 30 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (318742704967649) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 38666882 + ... + 46180224.

It is an arithmetic number, because the mean of its divisors is an integer number (40347258347520).

Almost surely, 2^{318742704967679} is an apocalyptic number.

318742704967679 is a deficient number, since it is larger than the sum of its proper divisors (4035361812481).

318742704967679 is an equidigital number, since it uses as much as digits as its factorization.

318742704967679 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8050429.

The product of its (nonzero) digits is 5377010688, while the sum is 80.

The spelling of 318742704967679 in words is "three hundred eighteen trillion, seven hundred forty-two billion, seven hundred four million, nine hundred sixty-seven thousand, six hundred seventy-nine".