2772856231 has 2 divisors, whose sum is σ = 2772856232. Its totient is φ = 2772856230.

The previous prime is 2772856211. The next prime is 2772856237. The reversal of 2772856231 is 1326582772.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 2772856231 - 2⁹ = 2772855719 is a prime.

It is a super-2 number, since 2×2772856231² = 15377463355591050722, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2772856237) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1386428115 + 1386428116.

It is an arithmetic number, because the mean of its divisors is an integer number (1386428116).

Almost surely, 2^2772856231 is an apocalyptic number.

2772856231 is a deficient number, since it is larger than the sum of its proper divisors (1).

2772856231 is an equidigital number, since it uses as much as digits as its factorization.

2772856231 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 282240, while the sum is 43.

The square root of 2772856231 is about 52657.9170780615. The cubic root of 2772856231 is about 1404.8904193864.

The spelling of 2772856231 in words is "two billion, seven hundred seventy-two million, eight hundred fifty-six thousand, two hundred thirty-one".