255898782 has 48 divisors (see below), whose sum is σ = 588096288. Its totient is φ = 80245440.

The previous prime is 255898781. The next prime is 255898793. The reversal of 255898782 is 287898552.

255898782 is a `hidden beast` number, since 2 + 558 + 9 + 8 + 7 + 82 = 666.

255898782 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (255898781) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 20188 + ... + 30320.

It is an arithmetic number, because the mean of its divisors is an integer number (12252006).

Almost surely, 2^255898782 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 255898782, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (294048144).

255898782 is an abundant number, since it is smaller than the sum of its proper divisors (332197506).

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

255898782 is a wasteful number, since it uses less digits than its factorization.

255898782 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10225 (or 10222 counting only the distinct ones).

The product of its digits is 3225600, while the sum is 54.

The square root of 255898782 is about 15996.8366247830. The cubic root of 255898782 is about 634.8767256101.

The spelling of 255898782 in words is "two hundred fifty-five million, eight hundred ninety-eight thousand, seven hundred eighty-two".