63807713 has 2 divisors, whose sum is σ = 63807714. Its totient is φ = 63807712.

The previous prime is 63807701. The next prime is 63807761. The reversal of 63807713 is 31770836.

63807713 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 62853184 + 954529 = 7928^2 + 977^2 .

It is a cyclic number.

It is not a de Polignac number, because 63807713 - 2⁴ = 63807697 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (63807113) 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 as a sum of consecutive naturals, namely, 31903856 + 31903857.

It is an arithmetic number, because the mean of its divisors is an integer number (31903857).

Almost surely, 2^63807713 is an apocalyptic number.

It is an amenable number.

63807713 is a deficient number, since it is larger than the sum of its proper divisors (1).

63807713 is an equidigital number, since it uses as much as digits as its factorization.

63807713 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 21168, while the sum is 35.

The square root of 63807713 is about 7987.9730219875. The cubic root of 63807713 is about 399.5990002156.

The spelling of 63807713 in words is "sixty-three million, eight hundred seven thousand, seven hundred thirteen".