63318812 has 24 divisors (see below), whose sum is σ = 117573120. Its totient is φ = 29734400.

The previous prime is 63318799. The next prime is 63318841. The reversal of 63318812 is 21881336.

It is a happy number.

63318812 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 7 ways as a sum of consecutive naturals, for example, 54437 + ... + 55587.

It is an arithmetic number, because the mean of its divisors is an integer number (4898880).

Almost surely, 2^63318812 is an apocalyptic number.

It is an amenable number.

63318812 is a deficient number, since it is larger than the sum of its proper divisors (54254308).

63318812 is a wasteful number, since it uses less digits than its factorization.

63318812 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1981 (or 1979 counting only the distinct ones).

The product of its digits is 6912, while the sum is 32.

The square root of 63318812 is about 7957.3118576565. The cubic root of 63318812 is about 398.5757934409.

The spelling of 63318812 in words is "sixty-three million, three hundred eighteen thousand, eight hundred twelve".