255951798 has 8 divisors (see below), whose sum is σ = 511903608. Its totient is φ = 85317264.

The previous prime is 255951769. The next prime is 255951799. The reversal of 255951798 is 897159552.

255951798 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

255951798 is an admirable number.

It is a super-2 number, since 2×255951798² = 131022645798865608, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 255951798.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (255951799) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 21329311 + ... + 21329322.

It is an arithmetic number, because the mean of its divisors is an integer number (63987951).

Almost surely, 2^255951798 is an apocalyptic number.

255951798 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

255951798 is a wasteful number, since it uses less digits than its factorization.

255951798 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42658638.

The product of its digits is 1134000, while the sum is 51.

The square root of 255951798 is about 15998.4936165878. The cubic root of 255951798 is about 634.9205662517.

The spelling of 255951798 in words is "two hundred fifty-five million, nine hundred fifty-one thousand, seven hundred ninety-eight".