6885255 has 64 divisors (see below), whose sum is σ = 13160448. Its totient is φ = 3041280.

The previous prime is 6885251. The next prime is 6885259. The reversal of 6885255 is 5525886.

6885255 is digitally balanced in base 4, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (6885251) and next prime (6885259).

It is not a de Polignac number, because 6885255 - 2² = 6885251 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (39).

6885255 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6885251) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 102732 + ... + 102798.

It is an arithmetic number, because the mean of its divisors is an integer number (205632).

Almost surely, 2^6885255 is an apocalyptic number.

6885255 is a gapful number since it is divisible by the number (65) formed by its first and last digit.

6885255 is a deficient number, since it is larger than the sum of its proper divisors (6275193).

6885255 is a wasteful number, since it uses less digits than its factorization.

6885255 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 136.

The product of its digits is 96000, while the sum is 39.

The square root of 6885255 is about 2623.9769434963. The cubic root of 6885255 is about 190.2421197717.

It can be divided in two parts, 6885 and 255, that added together give a triangular number (7140 = T₁₁₉).

The spelling of 6885255 in words is "six million, eight hundred eighty-five thousand, two hundred fifty-five".