6887111 has 8 divisors (see below), whose sum is σ = 8586624. Its totient is φ = 5366520.

The previous prime is 6887093. The next prime is 6887113. The reversal of 6887111 is 1117886.

6887111 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-6887111 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6887113) 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, 44645 + ... + 44798.

It is an arithmetic number, because the mean of its divisors is an integer number (1073328).

Almost surely, 2^6887111 is an apocalyptic number.

6887111 is a deficient number, since it is larger than the sum of its proper divisors (1699513).

6887111 is a wasteful number, since it uses less digits than its factorization.

6887111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 89461.

The product of its digits is 2688, while the sum is 32.

The square root of 6887111 is about 2624.3305813102. The cubic root of 6887111 is about 190.2592122228.

The spelling of 6887111 in words is "six million, eight hundred eighty-seven thousand, one hundred eleven".