279456859271 has 2 divisors, whose sum is σ = 279456859272. Its totient is φ = 279456859270.

The previous prime is 279456859181. The next prime is 279456859301. The reversal of 279456859271 is 172958654972.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 279456859271 - 2¹⁸ = 279456597127 is a prime.

It is a super-2 number, since 2×279456859271² (a number of 24 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 279456859198 and 279456859207.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (279456859571) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 139728429635 + 139728429636.

It is an arithmetic number, because the mean of its divisors is an integer number (139728429636).

Almost surely, 2^279456859271 is an apocalyptic number.

279456859271 is a deficient number, since it is larger than the sum of its proper divisors (1).

279456859271 is an equidigital number, since it uses as much as digits as its factorization.

279456859271 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 76204800, while the sum is 65.

The spelling of 279456859271 in words is "two hundred seventy-nine billion, four hundred fifty-six million, eight hundred fifty-nine thousand, two hundred seventy-one".