255679829 has 4 divisors (see below), whose sum is σ = 257693184. Its totient is φ = 253666476.

The previous prime is 255679793. The next prime is 255679867. The reversal of 255679829 is 928976552.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-255679829 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 (255679129) 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, 1006487 + ... + 1006740.

It is an arithmetic number, because the mean of its divisors is an integer number (64423296).

Almost surely, 2^255679829 is an apocalyptic number.

It is an amenable number.

255679829 is a deficient number, since it is larger than the sum of its proper divisors (2013355).

255679829 is a wasteful number, since it uses less digits than its factorization.

255679829 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2013354.

The product of its digits is 2721600, while the sum is 53.

The square root of 255679829 is about 15989.9915259515. The cubic root of 255679829 is about 634.6956021366.

The spelling of 255679829 in words is "two hundred fifty-five million, six hundred seventy-nine thousand, eight hundred twenty-nine".