255323408765 has 32 divisors (see below), whose sum is σ = 325655665920. Its totient is φ = 191506867200.

The previous prime is 255323408759. The next prime is 255323408819. The reversal of 255323408765 is 567804323552.

It is not a de Polignac number, because 255323408765 - 2¹⁸ = 255323146621 is a prime.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 43859555 + ... + 43865375.

It is an arithmetic number, because the mean of its divisors is an integer number (10176739560).

Almost surely, 2^255323408765 is an apocalyptic number.

It is an amenable number.

255323408765 is a deficient number, since it is larger than the sum of its proper divisors (70332257155).

255323408765 is a wasteful number, since it uses less digits than its factorization.

255323408765 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7733.

The product of its (nonzero) digits is 6048000, while the sum is 50.

The spelling of 255323408765 in words is "two hundred fifty-five billion, three hundred twenty-three million, four hundred eight thousand, seven hundred sixty-five".