6867871 has 2 divisors, whose sum is σ = 6867872. Its totient is φ = 6867870.

The previous prime is 6867841. The next prime is 6867907. The reversal of 6867871 is 1787686.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 6867871 - 2⁷ = 6867743 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (6867821) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3433935 + 3433936.

It is an arithmetic number, because the mean of its divisors is an integer number (3433936).

Almost surely, 2^6867871 is an apocalyptic number.

6867871 is a deficient number, since it is larger than the sum of its proper divisors (1).

6867871 is an equidigital number, since it uses as much as digits as its factorization.

6867871 is an evil number, because the sum of its binary digits is even.

The product of its digits is 112896, while the sum is 43.

The square root of 6867871 is about 2620.6623208647. The cubic root of 6867871 is about 190.0818760697.

The spelling of 6867871 in words is "six million, eight hundred sixty-seven thousand, eight hundred seventy-one".