255979711 has 8 divisors (see below), whose sum is σ = 275839200. Its totient is φ = 236144352.

The previous prime is 255979709. The next prime is 255979721. The reversal of 255979711 is 117979552.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 255979711 - 2¹ = 255979709 is a prime.

It is a super-2 number, since 2×255979711² = 131051224887287042, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (255979721) 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 7 ways as a sum of consecutive naturals, for example, 20286 + ... + 30388.

It is an arithmetic number, because the mean of its divisors is an integer number (34479900).

Almost surely, 2^255979711 is an apocalyptic number.

255979711 is a deficient number, since it is larger than the sum of its proper divisors (19859489).

255979711 is a wasteful number, since it uses less digits than its factorization.

255979711 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12065.

The product of its digits is 198450, while the sum is 46.

The square root of 255979711 is about 15999.3659561871. The cubic root of 255979711 is about 634.9436459796.

The spelling of 255979711 in words is "two hundred fifty-five million, nine hundred seventy-nine thousand, seven hundred eleven".