255775087 has 2 divisors, whose sum is σ = 255775088. Its totient is φ = 255775086.

The previous prime is 255775063. The next prime is 255775123. The reversal of 255775087 is 780577552.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-255775087 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (255775057) 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 as a sum of consecutive naturals, namely, 127887543 + 127887544.

It is an arithmetic number, because the mean of its divisors is an integer number (127887544).

Almost surely, 2^255775087 is an apocalyptic number.

255775087 is a deficient number, since it is larger than the sum of its proper divisors (1).

255775087 is an equidigital number, since it uses as much as digits as its factorization.

255775087 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 686000, while the sum is 46.

The square root of 255775087 is about 15992.9699243136. The cubic root of 255775087 is about 634.7744146721.

The spelling of 255775087 in words is "two hundred fifty-five million, seven hundred seventy-five thousand, eighty-seven".