255716269779 has 16 divisors (see below), whose sum is σ = 363224131200. Its totient is φ = 159559166016.

The previous prime is 255716269769. The next prime is 255716269829. The reversal of 255716269779 is 977962617552.

It is a happy number.

It is not a de Polignac number, because 255716269779 - 2⁴ = 255716269763 is a prime.

It is not an unprimeable number, because it can be changed into a prime (255716269729) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 27020874 + ... + 27030335.

It is an arithmetic number, because the mean of its divisors is an integer number (22701508200).

Almost surely, 2^255716269779 is an apocalyptic number.

255716269779 is a deficient number, since it is larger than the sum of its proper divisors (107507861421).

255716269779 is a wasteful number, since it uses less digits than its factorization.

255716269779 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 54051314.

The product of its digits is 100018800, while the sum is 66.

The spelling of 255716269779 in words is "two hundred fifty-five billion, seven hundred sixteen million, two hundred sixty-nine thousand, seven hundred seventy-nine".