256875635227 has 2 divisors, whose sum is σ = 256875635228. Its totient is φ = 256875635226.

The previous prime is 256875635189. The next prime is 256875635249. The reversal of 256875635227 is 722536578652.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-256875635227 is a prime.

It is not a weakly prime, because it can be changed into another prime (256875605227) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 128437817613 + 128437817614.

It is an arithmetic number, because the mean of its divisors is an integer number (128437817614).

Almost surely, 2^256875635227 is an apocalyptic number.

256875635227 is a deficient number, since it is larger than the sum of its proper divisors (1).

256875635227 is an equidigital number, since it uses as much as digits as its factorization.

256875635227 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 42336000, while the sum is 58.

The spelling of 256875635227 in words is "two hundred fifty-six billion, eight hundred seventy-five million, six hundred thirty-five thousand, two hundred twenty-seven".