256074579907 has 2 divisors, whose sum is σ = 256074579908. Its totient is φ = 256074579906.

The previous prime is 256074579863. The next prime is 256074579967. The reversal of 256074579907 is 709975470652.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 256074579907 - 2²³ = 256066191299 is a prime.

It is a super-3 number, since 3×256074579907³ (a number of 35 digits) contains 333 as substring.

It is not a weakly prime, because it can be changed into another prime (256074579967) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 128037289953 + 128037289954.

It is an arithmetic number, because the mean of its divisors is an integer number (128037289954).

Almost surely, 2^256074579907 is an apocalyptic number.

256074579907 is a deficient number, since it is larger than the sum of its proper divisors (1).

256074579907 is an equidigital number, since it uses as much as digits as its factorization.

256074579907 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 33339600, while the sum is 61.

The spelling of 256074579907 in words is "two hundred fifty-six billion, seventy-four million, five hundred seventy-nine thousand, nine hundred seven".