5667680687 has 2 divisors, whose sum is σ = 5667680688. Its totient is φ = 5667680686.

The previous prime is 5667680591. The next prime is 5667680699. The reversal of 5667680687 is 7860867665.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 5667680687 - 2²² = 5663486383 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (5667680287) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2833840343 + 2833840344.

It is an arithmetic number, because the mean of its divisors is an integer number (2833840344).

Almost surely, 2^5667680687 is an apocalyptic number.

5667680687 is a deficient number, since it is larger than the sum of its proper divisors (1).

5667680687 is an equidigital number, since it uses as much as digits as its factorization.

5667680687 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 20321280, while the sum is 59.

The square root of 5667680687 is about 75284.0002058870. Note that the first 3 decimals coincide. The cubic root of 5667680687 is about 1782.9334165947.

The spelling of 5667680687 in words is "five billion, six hundred sixty-seven million, six hundred eighty thousand, six hundred eighty-seven".