6879887 has 4 divisors (see below), whose sum is σ = 7862736. Its totient is φ = 5897040.

The previous prime is 6879869. The next prime is 6879889. The reversal of 6879887 is 7889786.

6879887 is nontrivially palindromic in base 13.

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 6879887 - 2⁶ = 6879823 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6879889) 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, 491414 + ... + 491427.

It is an arithmetic number, because the mean of its divisors is an integer number (1965684).

Almost surely, 2^6879887 is an apocalyptic number.

6879887 is a deficient number, since it is larger than the sum of its proper divisors (982849).

6879887 is an equidigital number, since it uses as much as digits as its factorization.

6879887 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 982848.

The product of its digits is 1354752, while the sum is 53.

The square root of 6879887 is about 2622.9538692093. The cubic root of 6879887 is about 190.1926669818.

The spelling of 6879887 in words is "six million, eight hundred seventy-nine thousand, eight hundred eighty-seven".