2772840839 has 2 divisors, whose sum is σ = 2772840840. Its totient is φ = 2772840838.

The previous prime is 2772840817. The next prime is 2772840881. The reversal of 2772840839 is 9380482772.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2772840839 - 2²⁸ = 2504405383 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 (2772840139) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1386420419 + 1386420420.

It is an arithmetic number, because the mean of its divisors is an integer number (1386420420).

Almost surely, 2^2772840839 is an apocalyptic number.

2772840839 is a deficient number, since it is larger than the sum of its proper divisors (1).

2772840839 is an equidigital number, since it uses as much as digits as its factorization.

2772840839 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1354752, while the sum is 50.

The square root of 2772840839 is about 52657.7709269961. The cubic root of 2772840839 is about 1404.8878198872.

The spelling of 2772840839 in words is "two billion, seven hundred seventy-two million, eight hundred forty thousand, eight hundred thirty-nine".