255255278 has 8 divisors (see below), whose sum is σ = 383110560. Its totient is φ = 127551760.

The previous prime is 255255263. The next prime is 255255281. The reversal of 255255278 is 872552552.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 33638 + ... + 40521.

It is an arithmetic number, because the mean of its divisors is an integer number (47888820).

Almost surely, 2^255255278 is an apocalyptic number.

255255278 is a deficient number, since it is larger than the sum of its proper divisors (127855282).

255255278 is a wasteful number, since it uses less digits than its factorization.

255255278 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 75882.

The product of its digits is 280000, while the sum is 41.

The square root of 255255278 is about 15976.7104874564. The cubic root of 255255278 is about 634.3441079313.

It can be divided in two parts, 25525 and 5278, that added together give a palindrome (30803).

The spelling of 255255278 in words is "two hundred fifty-five million, two hundred fifty-five thousand, two hundred seventy-eight".