255776905069 has 32 divisors (see below), whose sum is σ = 308352245760. Its totient is φ = 207423260352.

The previous prime is 255776905067. The next prime is 255776905081. The reversal of 255776905069 is 960509677552.

It is not a de Polignac number, because 255776905069 - 2¹ = 255776905067 is a prime.

It is a super-2 number, since 2×255776905069² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 255776904998 and 255776905016.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (255776905067) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 14700427 + ... + 14717815.

It is an arithmetic number, because the mean of its divisors is an integer number (9636007680).

Almost surely, 2^255776905069 is an apocalyptic number.

It is an amenable number.

255776905069 is a deficient number, since it is larger than the sum of its proper divisors (52575340691).

255776905069 is a wasteful number, since it uses less digits than its factorization.

255776905069 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18409.

The product of its (nonzero) digits is 35721000, while the sum is 61.

The spelling of 255776905069 in words is "two hundred fifty-five billion, seven hundred seventy-six million, nine hundred five thousand, sixty-nine".