6680087 has 2 divisors, whose sum is σ = 6680088. Its totient is φ = 6680086.

The previous prime is 6680081. The next prime is 6680111. The reversal of 6680087 is 7800866.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 6680087 - 2¹⁰ = 6679063 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (6680081) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3340043 + 3340044.

It is an arithmetic number, because the mean of its divisors is an integer number (3340044).

Almost surely, 2^6680087 is an apocalyptic number.

6680087 is a deficient number, since it is larger than the sum of its proper divisors (1).

6680087 is an equidigital number, since it uses as much as digits as its factorization.

6680087 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 16128, while the sum is 35.

The square root of 6680087 is about 2584.5864272645. The cubic root of 6680087 is about 188.3334112999. Note that the first 3 decimals are identical.

The spelling of 6680087 in words is "six million, six hundred eighty thousand, eighty-seven".