6888671 has 2 divisors, whose sum is σ = 6888672. Its totient is φ = 6888670.

The previous prime is 6888667. The next prime is 6888677. The reversal of 6888671 is 1768886.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 6888671 - 2² = 6888667 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (6888677) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3444335 + 3444336.

It is an arithmetic number, because the mean of its divisors is an integer number (3444336).

Almost surely, 2^6888671 is an apocalyptic number.

6888671 is a deficient number, since it is larger than the sum of its proper divisors (1).

6888671 is an equidigital number, since it uses as much as digits as its factorization.

6888671 is an evil number, because the sum of its binary digits is even.

The product of its digits is 129024, while the sum is 44.

The square root of 6888671 is about 2624.6277831342. The cubic root of 6888671 is about 190.2735763475.

The spelling of 6888671 in words is "six million, eight hundred eighty-eight thousand, six hundred seventy-one".