255788383831 has 8 divisors (see below), whose sum is σ = 265866665904. Its totient is φ = 245876685120.

The previous prime is 255788383819. The next prime is 255788383843. The reversal of 255788383831 is 138383887552.

It is an interprime number because it is at equal distance from previous prime (255788383819) and next prime (255788383843).

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

It is a cyclic number.

It is not a de Polignac number, because 255788383831 - 2⁷ = 255788383703 is a prime.

It is a super-2 number, since 2×255788383831² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 255788383831.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (255788383031) 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, 41642710 + ... + 41648851.

It is an arithmetic number, because the mean of its divisors is an integer number (33233333238).

Almost surely, 2^255788383831 is an apocalyptic number.

255788383831 is a deficient number, since it is larger than the sum of its proper divisors (10078282073).

255788383831 is an equidigital number, since it uses as much as digits as its factorization.

255788383831 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 83291681.

The product of its digits is 38707200, while the sum is 61.

The spelling of 255788383831 in words is "two hundred fifty-five billion, seven hundred eighty-eight million, three hundred eighty-three thousand, eight hundred thirty-one".