63685763 has 2 divisors, whose sum is σ = 63685764. Its totient is φ = 63685762.

The previous prime is 63685747. The next prime is 63685847. The reversal of 63685763 is 36758636.

63685763 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 is a cyclic number.

It is not a de Polignac number, because 63685763 - 2⁴ = 63685747 is a prime.

It is a Sophie Germain prime.

It is not a weakly prime, because it can be changed into another prime (63685733) 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, 31842881 + 31842882.

It is an arithmetic number, because the mean of its divisors is an integer number (31842882).

Almost surely, 2^63685763 is an apocalyptic number.

63685763 is a deficient number, since it is larger than the sum of its proper divisors (1).

63685763 is an equidigital number, since it uses as much as digits as its factorization.

63685763 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 544320, while the sum is 44.

The square root of 63685763 is about 7980.3360204944. The cubic root of 63685763 is about 399.3442652004.

The spelling of 63685763 in words is "sixty-three million, six hundred eighty-five thousand, seven hundred sixty-three".