6885871 has 4 divisors (see below), whose sum is σ = 6980272. Its totient is φ = 6791472.

The previous prime is 6885821. The next prime is 6885883. The reversal of 6885871 is 1785886.

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 6885871 - 2⁷ = 6885743 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 (6885821) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 47091 + ... + 47236.

It is an arithmetic number, because the mean of its divisors is an integer number (1745068).

Almost surely, 2^6885871 is an apocalyptic number.

6885871 is a deficient number, since it is larger than the sum of its proper divisors (94401).

6885871 is an equidigital number, since it uses as much as digits as its factorization.

6885871 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 94400.

The product of its digits is 107520, while the sum is 43.

The square root of 6885871 is about 2624.0943199512. The cubic root of 6885871 is about 190.2477930378.

The spelling of 6885871 in words is "six million, eight hundred eighty-five thousand, eight hundred seventy-one".