255751783 has 16 divisors (see below), whose sum is σ = 303413760. Its totient is φ = 210924000.

The previous prime is 255751759. The next prime is 255751813. The reversal of 255751783 is 387157552.

It is a de Polignac number, because none of the positive numbers 2^k-255751783 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (255751703) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 61108 + ... + 65158.

It is an arithmetic number, because the mean of its divisors is an integer number (18963360).

Almost surely, 2^255751783 is an apocalyptic number.

255751783 is a deficient number, since it is larger than the sum of its proper divisors (47661977).

255751783 is a wasteful number, since it uses less digits than its factorization.

255751783 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4398.

The product of its digits is 294000, while the sum is 43.

The square root of 255751783 is about 15992.2413375987. The cubic root of 255751783 is about 634.7551357131.

The spelling of 255751783 in words is "two hundred fifty-five million, seven hundred fifty-one thousand, seven hundred eighty-three".