255888413779 has 2 divisors, whose sum is σ = 255888413780. Its totient is φ = 255888413778.

The previous prime is 255888413773. The next prime is 255888413797. The reversal of 255888413779 is 977314888552.

Together with next prime (255888413797) it forms an Ormiston pair, because they use the same digits, order apart.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 255888413779 - 2⁹ = 255888413267 is a prime.

It is not a weakly prime, because it can be changed into another prime (255888413773) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 127944206889 + 127944206890.

It is an arithmetic number, because the mean of its divisors is an integer number (127944206890).

Almost surely, 2^255888413779 is an apocalyptic number.

255888413779 is a deficient number, since it is larger than the sum of its proper divisors (1).

255888413779 is an equidigital number, since it uses as much as digits as its factorization.

255888413779 is an evil number, because the sum of its binary digits is even.

The product of its digits is 135475200, while the sum is 67.

The spelling of 255888413779 in words is "two hundred fifty-five billion, eight hundred eighty-eight million, four hundred thirteen thousand, seven hundred seventy-nine".