255028779 has 6 divisors (see below), whose sum is σ = 368374916. Its totient is φ = 170019180.

The previous prime is 255028777. The next prime is 255028783. The reversal of 255028779 is 977820552.

It is a happy number.

255028779 is a `hidden beast` number, since 2 + 550 + 28 + 7 + 79 = 666.

It is not a de Polignac number, because 255028779 - 2¹ = 255028777 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (255028777) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 14168257 + ... + 14168274.

Almost surely, 2^255028779 is an apocalyptic number.

255028779 is a deficient number, since it is larger than the sum of its proper divisors (113346137).

255028779 is a wasteful number, since it uses less digits than its factorization.

255028779 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28336537 (or 28336534 counting only the distinct ones).

The product of its (nonzero) digits is 352800, while the sum is 45.

The square root of 255028779 is about 15969.6205026920. The cubic root of 255028779 is about 634.1564254597.

It can be divided in two parts, 2550 and 28779, that added together give a square (31329 = 177²).

The spelling of 255028779 in words is "two hundred fifty-five million, twenty-eight thousand, seven hundred seventy-nine".