279106793879 has 2 divisors, whose sum is σ = 279106793880. Its totient is φ = 279106793878.

The previous prime is 279106793827. The next prime is 279106793909. The reversal of 279106793879 is 978397601972.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 279106793879 - 2¹⁶ = 279106728343 is a prime.

It is a Sophie Germain prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (279106793809) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 139553396939 + 139553396940.

It is an arithmetic number, because the mean of its divisors is an integer number (139553396940).

Almost surely, 2^279106793879 is an apocalyptic number.

279106793879 is a deficient number, since it is larger than the sum of its proper divisors (1).

279106793879 is an equidigital number, since it uses as much as digits as its factorization.

279106793879 is an evil number, because the sum of its binary digits is even.

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

The spelling of 279106793879 in words is "two hundred seventy-nine billion, one hundred six million, seven hundred ninety-three thousand, eight hundred seventy-nine".