255014778 has 8 divisors (see below), whose sum is σ = 510029568. Its totient is φ = 85004924.

The previous prime is 255014741. The next prime is 255014779. The reversal of 255014778 is 877410552.

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

255014778 is an admirable number.

It is not an unprimeable number, because it can be changed into a prime (255014779) 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, 21251226 + ... + 21251237.

It is an arithmetic number, because the mean of its divisors is an integer number (63753696).

Almost surely, 2^255014778 is an apocalyptic number.

255014778 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.

255014778 is a wasteful number, since it uses less digits than its factorization.

255014778 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42502468.

The product of its (nonzero) digits is 78400, while the sum is 39.

The square root of 255014778 is about 15969.1821330962. The cubic root of 255014778 is about 634.1448202511.

The spelling of 255014778 in words is "two hundred fifty-five million, fourteen thousand, seven hundred seventy-eight".