63807668 has 12 divisors (see below), whose sum is σ = 113077440. Its totient is φ = 31499832.

The previous prime is 63807649. The next prime is 63807671. The reversal of 63807668 is 86670836.

63807668 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

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 in 3 ways as a sum of consecutive naturals, for example, 100646 + ... + 101277.

It is an arithmetic number, because the mean of its divisors is an integer number (9423120).

Almost surely, 2^63807668 is an apocalyptic number.

It is an amenable number.

63807668 is a deficient number, since it is larger than the sum of its proper divisors (49269772).

63807668 is a wasteful number, since it uses less digits than its factorization.

63807668 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 202006 (or 202004 counting only the distinct ones).

The product of its (nonzero) digits is 290304, while the sum is 44.

The square root of 63807668 is about 7987.9702052524. The cubic root of 63807668 is about 399.5989062773.

The spelling of 63807668 in words is "sixty-three million, eight hundred seven thousand, six hundred sixty-eight".