255867764 has 12 divisors (see below), whose sum is σ = 452385444. Its totient is φ = 126614784.

The previous prime is 255867763. The next prime is 255867779. The reversal of 255867764 is 467768552.

255867764 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 132480100 + 123387664 = 11510^2 + 11108^2 .

It is a hoax number, since the sum of its digits (50) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (255867761) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 329339 + ... + 330114.

It is an arithmetic number, because the mean of its divisors is an integer number (37698787).

Almost surely, 2^255867764 is an apocalyptic number.

It is an amenable number.

255867764 is a deficient number, since it is larger than the sum of its proper divisors (196517680).

255867764 is a wasteful number, since it uses less digits than its factorization.

255867764 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 659554 (or 659552 counting only the distinct ones).

The product of its digits is 2822400, while the sum is 50.

The square root of 255867764 is about 15995.8670912208. The cubic root of 255867764 is about 634.8510730170.

The spelling of 255867764 in words is "two hundred fifty-five million, eight hundred sixty-seven thousand, seven hundred sixty-four".