255428782 has 16 divisors (see below), whose sum is σ = 439148160. Its totient is φ = 109151928.

The previous prime is 255428743. The next prime is 255428827. The reversal of 255428782 is 287824552.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 21432 + ... + 31147.

It is an arithmetic number, because the mean of its divisors is an integer number (27446760).

Almost surely, 2^255428782 is an apocalyptic number.

255428782 is a deficient number, since it is larger than the sum of its proper divisors (183719378).

255428782 is a wasteful number, since it uses less digits than its factorization.

255428782 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 52935.

The product of its digits is 358400, while the sum is 43.

The square root of 255428782 is about 15982.1394687945. The cubic root of 255428782 is about 634.4878023969.

The spelling of 255428782 in words is "two hundred fifty-five million, four hundred twenty-eight thousand, seven hundred eighty-two".