5668687 has 2 divisors, whose sum is σ = 5668688. Its totient is φ = 5668686.

The previous prime is 5668681. The next prime is 5668699. The reversal of 5668687 is 7868665.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-5668687 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (5668681) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2834343 + 2834344.

It is an arithmetic number, because the mean of its divisors is an integer number (2834344).

Almost surely, 2^5668687 is an apocalyptic number.

5668687 is a deficient number, since it is larger than the sum of its proper divisors (1).

5668687 is an equidigital number, since it uses as much as digits as its factorization.

5668687 is an evil number, because the sum of its binary digits is even.

The product of its digits is 483840, while the sum is 46.

The square root of 5668687 is about 2380.9004599101. The cubic root of 5668687 is about 178.3038932001.

The spelling of 5668687 in words is "five million, six hundred sixty-eight thousand, six hundred eighty-seven".