255837783 has 8 divisors (see below), whose sum is σ = 342832000. Its totient is φ = 169701048.

The previous prime is 255837767. The next prime is 255837833. The reversal of 255837783 is 387738552.

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

It is not a de Polignac number, because 255837783 - 2⁴ = 255837767 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 (255832783) 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 7 ways as a sum of consecutive naturals, for example, 213673 + ... + 214866.

It is an arithmetic number, because the mean of its divisors is an integer number (42854000).

Almost surely, 2^255837783 is an apocalyptic number.

255837783 is a deficient number, since it is larger than the sum of its proper divisors (86994217).

255837783 is a wasteful number, since it uses less digits than its factorization.

255837783 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 428741.

The product of its digits is 1411200, while the sum is 48.

The square root of 255837783 is about 15994.9299154451. The cubic root of 255837783 is about 634.8262760761.

The spelling of 255837783 in words is "two hundred fifty-five million, eight hundred thirty-seven thousand, seven hundred eighty-three".