63500380 has 24 divisors (see below), whose sum is σ = 133837200. Its totient is φ = 25307520.

The previous prime is 63500357. The next prime is 63500383. The reversal of 63500380 is 8300536.

63500380 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 (63500383) 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 7 ways as a sum of consecutive naturals, for example, 30 + ... + 11269.

It is an arithmetic number, because the mean of its divisors is an integer number (5576550).

Almost surely, 2^63500380 is an apocalyptic number.

It is an amenable number.

63500380 is an abundant number, since it is smaller than the sum of its proper divisors (70336820).

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

63500380 is a wasteful number, since it uses less digits than its factorization.

63500380 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11589 (or 11587 counting only the distinct ones).

The product of its (nonzero) digits is 2160, while the sum is 25.

The square root of 63500380 is about 7968.7125685395. The cubic root of 63500380 is about 398.9564046397.

The spelling of 63500380 in words is "sixty-three million, five hundred thousand, three hundred eighty".