63867288 has 16 divisors (see below), whose sum is σ = 159668280. Its totient is φ = 21289088.

The previous prime is 63867277. The next prime is 63867289. The reversal of 63867288 is 88276836.

It is a happy number.

63867288 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 not an unprimeable number, because it can be changed into a prime (63867289) by changing a digit.

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, 1330545 + ... + 1330592.

Almost surely, 2^63867288 is an apocalyptic number.

It is an amenable number.

63867288 is an abundant number, since it is smaller than the sum of its proper divisors (95800992).

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

63867288 is a wasteful number, since it uses less digits than its factorization.

63867288 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2661146 (or 2661142 counting only the distinct ones).

The product of its digits is 774144, while the sum is 48.

The square root of 63867288 is about 7991.7011956154. The cubic root of 63867288 is about 399.7233253386.

The spelling of 63867288 in words is "sixty-three million, eight hundred sixty-seven thousand, two hundred eighty-eight".