6885887 has 4 divisors (see below), whose sum is σ = 6897240. Its totient is φ = 6874536.

The previous prime is 6885883. The next prime is 6885889. The reversal of 6885887 is 7885886.

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 6885887 - 2² = 6885883 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 (6885883) 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, 4712 + ... + 5997.

It is an arithmetic number, because the mean of its divisors is an integer number (1724310).

Almost surely, 2^6885887 is an apocalyptic number.

6885887 is a deficient number, since it is larger than the sum of its proper divisors (11353).

6885887 is a wasteful number, since it uses less digits than its factorization.

6885887 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11352.

The product of its digits is 860160, while the sum is 50.

The square root of 6885887 is about 2624.0973686203. The cubic root of 6885887 is about 190.2479403908.

Subtracting 6885887 from its reverse (7885886), we obtain a palindrome (999999).

The spelling of 6885887 in words is "six million, eight hundred eighty-five thousand, eight hundred eighty-seven".