255834779 has 2 divisors, whose sum is σ = 255834780. Its totient is φ = 255834778.

The previous prime is 255834739. The next prime is 255834809. The reversal of 255834779 is 977438552.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 255834779 - 2¹² = 255830683 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (255834739) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 127917389 + 127917390.

It is an arithmetic number, because the mean of its divisors is an integer number (127917390).

Almost surely, 2^255834779 is an apocalyptic number.

255834779 is a deficient number, since it is larger than the sum of its proper divisors (1).

255834779 is an equidigital number, since it uses as much as digits as its factorization.

255834779 is an evil number, because the sum of its binary digits is even.

The product of its digits is 2116800, while the sum is 50.

The square root of 255834779 is about 15994.8360104129. The cubic root of 255834779 is about 634.8237913954.

The spelling of 255834779 in words is "two hundred fifty-five million, eight hundred thirty-four thousand, seven hundred seventy-nine".