255796068891 has 8 divisors (see below), whose sum is σ = 372067009344. Its totient is φ = 155027920520.

The previous prime is 255796068881. The next prime is 255796068893. The reversal of 255796068891 is 198860697552.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 255796068891 - 2¹¹ = 255796066843 is a prime.

It is not an unprimeable number, because it can be changed into a prime (255796068893) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3875697981 + ... + 3875698046.

It is an arithmetic number, because the mean of its divisors is an integer number (46508376168).

Almost surely, 2^255796068891 is an apocalyptic number.

255796068891 is a deficient number, since it is larger than the sum of its proper divisors (116270940453).

255796068891 is a wasteful number, since it uses less digits than its factorization.

255796068891 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7751396041.

The product of its (nonzero) digits is 65318400, while the sum is 66.

The spelling of 255796068891 in words is "two hundred fifty-five billion, seven hundred ninety-six million, sixty-eight thousand, eight hundred ninety-one".