5687687 has 2 divisors, whose sum is σ = 5687688. Its totient is φ = 5687686.

The previous prime is 5687657. The next prime is 5687699. The reversal of 5687687 is 7867865.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 5687687 - 2⁸ = 5687431 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (5687657) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2843843 + 2843844.

It is an arithmetic number, because the mean of its divisors is an integer number (2843844).

Almost surely, 2^5687687 is an apocalyptic number.

5687687 is a deficient number, since it is larger than the sum of its proper divisors (1).

5687687 is an equidigital number, since it uses as much as digits as its factorization.

5687687 is an evil number, because the sum of its binary digits is even.

The product of its digits is 564480, while the sum is 47.

The square root of 5687687 is about 2384.8872090730. The cubic root of 5687687 is about 178.5028808444.

The spelling of 5687687 in words is "five million, six hundred eighty-seven thousand, six hundred eighty-seven".