63872012 has 12 divisors (see below), whose sum is σ = 116636016. Its totient is φ = 30547440.

The previous prime is 63871991. The next prime is 63872041. The reversal of 63872012 is 21027836.

It is a happy number.

63872012 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, 347039 + ... + 347222.

It is an arithmetic number, because the mean of its divisors is an integer number (9719668).

Almost surely, 2^63872012 is an apocalyptic number.

It is an amenable number.

63872012 is a deficient number, since it is larger than the sum of its proper divisors (52764004).

63872012 is a wasteful number, since it uses less digits than its factorization.

63872012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 694288 (or 694286 counting only the distinct ones).

The product of its (nonzero) digits is 4032, while the sum is 29.

The square root of 63872012 is about 7991.9967467461. The cubic root of 63872012 is about 399.7331803911.

Adding to 63872012 its reverse (21027836), we get a palindrome (84899848).

The spelling of 63872012 in words is "sixty-three million, eight hundred seventy-two thousand, twelve".