63696368 has 20 divisors (see below), whose sum is σ = 123935520. Its totient is φ = 31713024.

The previous prime is 63696359. The next prime is 63696371. The reversal of 63696368 is 86369636.

It is a Smith number, since the sum of its digits (47) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4505 + ... + 12152.

It is an arithmetic number, because the mean of its divisors is an integer number (6196776).

Almost surely, 2^63696368 is an apocalyptic number.

It is an amenable number.

63696368 is a deficient number, since it is larger than the sum of its proper divisors (60239152).

63696368 is a wasteful number, since it uses less digits than its factorization.

63696368 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16904 (or 16898 counting only the distinct ones).

The product of its digits is 839808, while the sum is 47.

The square root of 63696368 is about 7981.0004385415. Note that the first 3 decimals coincide. The cubic root of 63696368 is about 399.3664303369.

The spelling of 63696368 in words is "sixty-three million, six hundred ninety-six thousand, three hundred sixty-eight".