318979079 has 2 divisors, whose sum is σ = 318979080. Its totient is φ = 318979078.

The previous prime is 318979009. The next prime is 318979093. The reversal of 318979079 is 970979813.

It is a strong prime.

It is an emirp because it is prime and its reverse (970979813) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 318979079 - 2⁸ = 318978823 is a prime.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 318979079.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (318979009) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 159489539 + 159489540.

It is an arithmetic number, because the mean of its divisors is an integer number (159489540).

Almost surely, 2^318979079 is an apocalyptic number.

318979079 is a deficient number, since it is larger than the sum of its proper divisors (1).

318979079 is an equidigital number, since it uses as much as digits as its factorization.

318979079 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 857304, while the sum is 53.

The square root of 318979079 is about 17859.9854143278. The cubic root of 318979079 is about 683.2622077600.

The spelling of 318979079 in words is "three hundred eighteen million, nine hundred seventy-nine thousand, seventy-nine".