255479685 has 8 divisors (see below), whose sum is σ = 408767520. Its totient is φ = 136255824.

The previous prime is 255479683. The next prime is 255479701. The reversal of 255479685 is 586974552.

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

It is not a de Polignac number, because 255479685 - 2¹ = 255479683 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (255479683) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8515975 + ... + 8516004.

It is an arithmetic number, because the mean of its divisors is an integer number (51095940).

Almost surely, 2^255479685 is an apocalyptic number.

It is an amenable number.

255479685 is a deficient number, since it is larger than the sum of its proper divisors (153287835).

255479685 is a wasteful number, since it uses less digits than its factorization.

255479685 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17031987.

The product of its digits is 3024000, while the sum is 51.

The square root of 255479685 is about 15983.7318858895. The cubic root of 255479685 is about 634.5299474613.

The spelling of 255479685 in words is "two hundred fifty-five million, four hundred seventy-nine thousand, six hundred eighty-five".