255957679 has 4 divisors (see below), whose sum is σ = 256012384. Its totient is φ = 255902976.

The previous prime is 255957677. The next prime is 255957697. The reversal of 255957679 is 976759552.

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 255957679 - 2¹ = 255957677 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (255957671) 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, 19602 + ... + 29935.

It is an arithmetic number, because the mean of its divisors is an integer number (64003096).

Almost surely, 2^255957679 is an apocalyptic number.

255957679 is a deficient number, since it is larger than the sum of its proper divisors (54705).

255957679 is an equidigital number, since it uses as much as digits as its factorization.

255957679 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 54704.

The product of its digits is 5953500, while the sum is 55.

The square root of 255957679 is about 15998.6774140865. The cubic root of 255957679 is about 634.9254290673.

The spelling of 255957679 in words is "two hundred fifty-five million, nine hundred fifty-seven thousand, six hundred seventy-nine".