63808780 has 36 divisors (see below), whose sum is σ = 155878128. Its totient is φ = 21876960.

The previous prime is 63808777. The next prime is 63808781. The reversal of 63808780 is 8780836.

63808780 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (63808781) 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 11 ways as a sum of consecutive naturals, for example, 31576 + ... + 33535.

It is an arithmetic number, because the mean of its divisors is an integer number (4329948).

Almost surely, 2^63808780 is an apocalyptic number.

It is an amenable number.

63808780 is an abundant number, since it is smaller than the sum of its proper divisors (92069348).

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

63808780 is a wasteful number, since it uses less digits than its factorization.

63808780 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 65134 (or 65125 counting only the distinct ones).

The product of its (nonzero) digits is 64512, while the sum is 40.

The square root of 63808780 is about 7988.0398096154. The cubic root of 63808780 is about 399.6012275835.

The spelling of 63808780 in words is "sixty-three million, eight hundred eight thousand, seven hundred eighty".