255758918079 has 16 divisors (see below), whose sum is σ = 395066615552. Its totient is φ = 144145925568.

The previous prime is 255758918059. The next prime is 255758918087. The reversal of 255758918079 is 970819857552.

It is not a de Polignac number, because 255758918079 - 2⁸ = 255758917823 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (255758918059) 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 in 15 ways as a sum of consecutive naturals, for example, 83416249 + ... + 83419314.

It is an arithmetic number, because the mean of its divisors is an integer number (24691663472).

Almost surely, 2^255758918079 is an apocalyptic number.

255758918079 is a deficient number, since it is larger than the sum of its proper divisors (139307697473).

255758918079 is a wasteful number, since it uses less digits than its factorization.

255758918079 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 166835646.

The product of its (nonzero) digits is 63504000, while the sum is 66.

The spelling of 255758918079 in words is "two hundred fifty-five billion, seven hundred fifty-eight million, nine hundred eighteen thousand, seventy-nine".