2775605564279 has 2 divisors, whose sum is σ = 2775605564280. Its totient is φ = 2775605564278.

The previous prime is 2775605564153. The next prime is 2775605564321. The reversal of 2775605564279 is 9724655065772.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 2775605564279 - 2²⁰ = 2775604515703 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2775605534279) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1387802782139 + 1387802782140.

It is an arithmetic number, because the mean of its divisors is an integer number (1387802782140).

Almost surely, 2^{2775605564279} is an apocalyptic number.

2775605564279 is a deficient number, since it is larger than the sum of its proper divisors (1).

2775605564279 is an equidigital number, since it uses as much as digits as its factorization.

2775605564279 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 222264000, while the sum is 65.

The spelling of 2775605564279 in words is "two trillion, seven hundred seventy-five billion, six hundred five million, five hundred sixty-four thousand, two hundred seventy-nine".