2775005279 has 2 divisors, whose sum is σ = 2775005280. Its totient is φ = 2775005278.

The previous prime is 2775005249. The next prime is 2775005287. The reversal of 2775005279 is 9725005772.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 2775005279 - 2¹² = 2775001183 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2775005249) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1387502639 + 1387502640.

It is an arithmetic number, because the mean of its divisors is an integer number (1387502640).

Almost surely, 2^2775005279 is an apocalyptic number.

2775005279 is a deficient number, since it is larger than the sum of its proper divisors (1).

2775005279 is an equidigital number, since it uses as much as digits as its factorization.

2775005279 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 308700, while the sum is 44.

The square root of 2775005279 is about 52678.3188702905. The cubic root of 2775005279 is about 1405.2532699450.

The spelling of 2775005279 in words is "two billion, seven hundred seventy-five million, five thousand, two hundred seventy-nine".