255368278 has 12 divisors (see below), whose sum is σ = 417998052. Its totient is φ = 116042420.

The previous prime is 255368273. The next prime is 255368291. The reversal of 255368278 is 872863552.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (255368273) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 73251 + ... + 76657.

It is an arithmetic number, because the mean of its divisors is an integer number (34833171).

Almost surely, 2^255368278 is an apocalyptic number.

255368278 is a deficient number, since it is larger than the sum of its proper divisors (162629774).

255368278 is an frugal number, since it uses more digits than its factorization.

255368278 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6827 (or 3420 counting only the distinct ones).

The product of its digits is 806400, while the sum is 46.

The square root of 255368278 is about 15980.2464937184. The cubic root of 255368278 is about 634.4377009150.

The spelling of 255368278 in words is "two hundred fifty-five million, three hundred sixty-eight thousand, two hundred seventy-eight".