315844079 has 2 divisors, whose sum is σ = 315844080. Its totient is φ = 315844078.

The previous prime is 315844007. The next prime is 315844103. The reversal of 315844079 is 970448513.

It is a strong prime.

It is an emirp because it is prime and its reverse (970448513) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-315844079 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (315844979) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 157922039 + 157922040.

It is an arithmetic number, because the mean of its divisors is an integer number (157922040).

Almost surely, 2^315844079 is an apocalyptic number.

315844079 is a deficient number, since it is larger than the sum of its proper divisors (1).

315844079 is an equidigital number, since it uses as much as digits as its factorization.

315844079 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 120960, while the sum is 41.

The square root of 315844079 is about 17772.0026727434. The cubic root of 315844079 is about 681.0164146687.

The spelling of 315844079 in words is "three hundred fifteen million, eight hundred forty-four thousand, seventy-nine".