63388064 has 12 divisors (see below), whose sum is σ = 124795314. Its totient is φ = 31694016.

The previous prime is 63388057. The next prime is 63388081. The reversal of 63388064 is 46088336.

63388064 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 46512400 + 16875664 = 6820^2 + 4108^2 .

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 as a sum of consecutive naturals, namely, 990407 + ... + 990470.

Almost surely, 2^63388064 is an apocalyptic number.

It is an amenable number.

63388064 is a deficient number, since it is larger than the sum of its proper divisors (61407250).

63388064 is a wasteful number, since it uses less digits than its factorization.

63388064 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1980887 (or 1980879 counting only the distinct ones).

The product of its (nonzero) digits is 82944, while the sum is 38.

The square root of 63388064 is about 7961.6621380212. The cubic root of 63388064 is about 398.7210483987.

The spelling of 63388064 in words is "sixty-three million, three hundred eighty-eight thousand, sixty-four".