255803282784 has 72 divisors (see below), whose sum is σ = 831360675600. Its totient is φ = 73086651648.

The previous prime is 255803282747. The next prime is 255803282789. The reversal of 255803282784 is 487282308552.

255803282784 is a `hidden beast` number, since 2 + 5 + 580 + 32 + 8 + 27 + 8 + 4 = 666.

It is a tau number, because it is divible by the number of its divisors (72).

It is a self number, because there is not a number n which added to its sum of digits gives 255803282784.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (255803282789) 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 11 ways as a sum of consecutive naturals, for example, 63441259 + ... + 63445290.

It is an arithmetic number, because the mean of its divisors is an integer number (11546676050).

Almost surely, 2^255803282784 is an apocalyptic number.

255803282784 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

255803282784 is an abundant number, since it is smaller than the sum of its proper divisors (575557392816).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

255803282784 is a wasteful number, since it uses less digits than its factorization.

255803282784 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 126886572 (or 126886561 counting only the distinct ones).

The product of its (nonzero) digits is 8601600, while the sum is 54.

The spelling of 255803282784 in words is "two hundred fifty-five billion, eight hundred three million, two hundred eighty-two thousand, seven hundred eighty-four".