63887216 has 10 divisors (see below), whose sum is σ = 123781512. Its totient is φ = 31943600.

The previous prime is 63887209. The next prime is 63887227. The reversal of 63887216 is 61278836.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1996460 + ... + 1996491.

Almost surely, 2^63887216 is an apocalyptic number.

It is an amenable number.

63887216 is a deficient number, since it is larger than the sum of its proper divisors (59894296).

63887216 is a wasteful number, since it uses less digits than its factorization.

63887216 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3992959 (or 3992953 counting only the distinct ones).

The product of its digits is 96768, while the sum is 41.

The square root of 63887216 is about 7992.9478917356. The cubic root of 63887216 is about 399.7648951747.

The spelling of 63887216 in words is "sixty-three million, eight hundred eighty-seven thousand, two hundred sixteen".