255776267 has 4 divisors (see below), whose sum is σ = 255913560. Its totient is φ = 255638976.

The previous prime is 255776221. The next prime is 255776351. The reversal of 255776267 is 762677552.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 255776267 - 2¹⁰ = 255775243 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (255772267) 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 3 ways as a sum of consecutive naturals, for example, 65813 + ... + 69590.

It is an arithmetic number, because the mean of its divisors is an integer number (63978390).

Almost surely, 2^255776267 is an apocalyptic number.

255776267 is a deficient number, since it is larger than the sum of its proper divisors (137293).

255776267 is a wasteful number, since it uses less digits than its factorization.

255776267 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 137292.

The product of its digits is 1234800, while the sum is 47.

The square root of 255776267 is about 15993.0068154803. The cubic root of 255776267 is about 634.7753908326.

The spelling of 255776267 in words is "two hundred fifty-five million, seven hundred seventy-six thousand, two hundred sixty-seven".