63985512 has 32 divisors (see below), whose sum is σ = 160404480. Its totient is φ = 21269760.

The previous prime is 63985463. The next prime is 63985541. The reversal of 63985512 is 21558936.

63985512 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 7 ways as a sum of consecutive naturals, for example, 5712 + ... + 12672.

It is an arithmetic number, because the mean of its divisors is an integer number (5012640).

Almost surely, 2^63985512 is an apocalyptic number.

It is an amenable number.

63985512 is an abundant number, since it is smaller than the sum of its proper divisors (96418968).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

63985512 is a wasteful number, since it uses less digits than its factorization.

63985512 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7353 (or 7349 counting only the distinct ones).

The product of its digits is 64800, while the sum is 39.

The square root of 63985512 is about 7999.0944487486. The cubic root of 63985512 is about 399.9698143888.

The spelling of 63985512 in words is "sixty-three million, nine hundred eighty-five thousand, five hundred twelve".