63987304 has 16 divisors (see below), whose sum is σ = 122529600. Its totient is φ = 31312752.

The previous prime is 63987289. The next prime is 63987349. The reversal of 63987304 is 40378936.

63987304 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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, 84714 + ... + 85465.

It is an arithmetic number, because the mean of its divisors is an integer number (7658100).

Almost surely, 2^63987304 is an apocalyptic number.

It is an amenable number.

63987304 is a deficient number, since it is larger than the sum of its proper divisors (58542296).

63987304 is a wasteful number, since it uses less digits than its factorization.

63987304 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 170232 (or 170228 counting only the distinct ones).

The product of its (nonzero) digits is 108864, while the sum is 40.

The square root of 63987304 is about 7999.2064606435. The cubic root of 63987304 is about 399.9735482508.

The spelling of 63987304 in words is "sixty-three million, nine hundred eighty-seven thousand, three hundred four".