63868464 has 120 divisors (see below), whose sum is σ = 198488784. Its totient is φ = 19008000.

The previous prime is 63868457. The next prime is 63868477. The reversal of 63868464 is 46486836.

63868464 is a `hidden beast` number, since 638 + 6 + 8 + 4 + 6 + 4 = 666.

63868464 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a nude number because it is divisible by every one of its digits.

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 23 ways as a sum of consecutive naturals, for example, 96294 + ... + 96954.

Almost surely, 2^63868464 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 63868464, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (99244392).

63868464 is an abundant number, since it is smaller than the sum of its proper divisors (134620320).

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

63868464 is a wasteful number, since it uses less digits than its factorization.

63868464 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 747 (or 738 counting only the distinct ones).

The product of its digits is 663552, while the sum is 45.

The square root of 63868464 is about 7991.7747716011. The cubic root of 63868464 is about 399.7257787163.

The spelling of 63868464 in words is "sixty-three million, eight hundred sixty-eight thousand, four hundred sixty-four".