6680871 has 12 divisors (see below), whose sum is σ = 9673248. Its totient is φ = 4443264.

The previous prime is 6680851. The next prime is 6680873. The reversal of 6680871 is 1780866.

It is not a de Polignac number, because 6680871 - 2⁷ = 6680743 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6680873) 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 11 ways as a sum of consecutive naturals, for example, 5506 + ... + 6608.

It is an arithmetic number, because the mean of its divisors is an integer number (806104).

Almost surely, 2^6680871 is an apocalyptic number.

6680871 is a deficient number, since it is larger than the sum of its proper divisors (2992377).

6680871 is a wasteful number, since it uses less digits than its factorization.

6680871 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1782 (or 1779 counting only the distinct ones).

The product of its (nonzero) digits is 16128, while the sum is 36.

The square root of 6680871 is about 2584.7380911806. The cubic root of 6680871 is about 188.3407788496.

The spelling of 6680871 in words is "six million, six hundred eighty thousand, eight hundred seventy-one".