6789855 has 16 divisors (see below), whose sum is σ = 11096064. Its totient is φ = 3543840.

The previous prime is 6789793. The next prime is 6789901. The reversal of 6789855 is 5589876.

It is not a de Polignac number, because 6789855 - 2²⁰ = 5741279 is a prime.

It is a super-2 number, since 2×6789855² = 92204261842050, which contains 22 as substring.

It is a plaindrome in base 16.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4111 + ... + 5520.

It is an arithmetic number, because the mean of its divisors is an integer number (693504).

Almost surely, 2^6789855 is an apocalyptic number.

6789855 is a deficient number, since it is larger than the sum of its proper divisors (4306209).

6789855 is a wasteful number, since it uses less digits than its factorization.

6789855 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9686.

The product of its digits is 604800, while the sum is 48.

The square root of 6789855 is about 2605.7350210641. The cubic root of 6789855 is about 189.3593845025.

The spelling of 6789855 in words is "six million, seven hundred eighty-nine thousand, eight hundred fifty-five".