255500278 has 8 divisors (see below), whose sum is σ = 418091400. Its totient is φ = 116136480.

The previous prime is 255500263. The next prime is 255500291. The reversal of 255500278 is 872005552.

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, 5806803 + ... + 5806846.

It is an arithmetic number, because the mean of its divisors is an integer number (52261425).

Almost surely, 2^255500278 is an apocalyptic number.

255500278 is a deficient number, since it is larger than the sum of its proper divisors (162591122).

255500278 is a wasteful number, since it uses less digits than its factorization.

255500278 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11613662.

The product of its (nonzero) digits is 28000, while the sum is 34.

The square root of 255500278 is about 15984.3760591397. The cubic root of 255500278 is about 634.5469958151.

The spelling of 255500278 in words is "two hundred fifty-five million, five hundred thousand, two hundred seventy-eight".