6808111 has 4 divisors (see below), whose sum is σ = 6992152. Its totient is φ = 6624072.

The previous prime is 6808103. The next prime is 6808159. The reversal of 6808111 is 1118086.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 6808111 - 2³ = 6808103 is a prime.

It is a Duffinian number.

6808111 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6808171) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 91965 + ... + 92038.

It is an arithmetic number, because the mean of its divisors is an integer number (1748038).

Almost surely, 2^6808111 is an apocalyptic number.

6808111 is a deficient number, since it is larger than the sum of its proper divisors (184041).

6808111 is a wasteful number, since it uses less digits than its factorization.

6808111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 184040.

The product of its (nonzero) digits is 384, while the sum is 25.

The square root of 6808111 is about 2609.2357118513. The cubic root of 6808111 is about 189.5289439061.

Subtracting from 6808111 its sum of digits (25), we obtain a palindrome (6808086).

The spelling of 6808111 in words is "six million, eight hundred eight thousand, one hundred eleven".