256885800707 has 2 divisors, whose sum is σ = 256885800708. Its totient is φ = 256885800706.

The previous prime is 256885800697. The next prime is 256885800737. The reversal of 256885800707 is 707008588652.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 256885800707 - 2¹⁸ = 256885538563 is a prime.

It is not a weakly prime, because it can be changed into another prime (256885800737) 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, 128442900353 + 128442900354.

It is an arithmetic number, because the mean of its divisors is an integer number (128442900354).

Almost surely, 2^256885800707 is an apocalyptic number.

256885800707 is a deficient number, since it is larger than the sum of its proper divisors (1).

256885800707 is an equidigital number, since it uses as much as digits as its factorization.

256885800707 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 7526400, while the sum is 56.

The spelling of 256885800707 in words is "two hundred fifty-six billion, eight hundred eighty-five million, eight hundred thousand, seven hundred seven".