2256427879 has 2 divisors, whose sum is σ = 2256427880. Its totient is φ = 2256427878.

The previous prime is 2256427847. The next prime is 2256427909. The reversal of 2256427879 is 9787246522.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 2256427879 - 2⁵ = 2256427847 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2256427829) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1128213939 + 1128213940.

It is an arithmetic number, because the mean of its divisors is an integer number (1128213940).

Almost surely, 2^2256427879 is an apocalyptic number.

2256427879 is a deficient number, since it is larger than the sum of its proper divisors (1).

2256427879 is an equidigital number, since it uses as much as digits as its factorization.

2256427879 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 3386880, while the sum is 52.

The square root of 2256427879 is about 47501.8723736233. The cubic root of 2256427879 is about 1311.6173483700.

The spelling of 2256427879 in words is "two billion, two hundred fifty-six million, four hundred twenty-seven thousand, eight hundred seventy-nine".