255849769 has 8 divisors (see below), whose sum is σ = 305112960. Its totient is φ = 209764896.

The previous prime is 255849767. The next prime is 255849773. The reversal of 255849769 is 967948552.

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 255849769 - 2¹ = 255849767 is a prime.

It is a super-2 number, since 2×255849769² = 130918208594706722, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (255849767) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 794404 + ... + 794725.

It is an arithmetic number, because the mean of its divisors is an integer number (38139120).

Almost surely, 2^255849769 is an apocalyptic number.

It is an amenable number.

255849769 is a deficient number, since it is larger than the sum of its proper divisors (49263191).

255849769 is a wasteful number, since it uses less digits than its factorization.

255849769 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1589159.

The product of its digits is 5443200, while the sum is 55.

The square root of 255849769 is about 15995.3045922858. The cubic root of 255849769 is about 634.8361897915.

It can be divided in two parts, 25584 and 9769, that added together give a palindrome (35353).

The spelling of 255849769 in words is "two hundred fifty-five million, eight hundred forty-nine thousand, seven hundred sixty-nine".