63385360 has 20 divisors (see below), whose sum is σ = 147371148. Its totient is φ = 25354112.

The previous prime is 63385337. The next prime is 63385363. The reversal of 63385360 is 6358336.

It is a happy number.

63385360 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 33965584 + 29419776 = 5828^2 + 5424^2 .

It is a tau number, because it is divible by the number of its divisors (20).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (63385363) 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, 396079 + ... + 396238.

Almost surely, 2^63385360 is an apocalyptic number.

It is an amenable number.

63385360 is an abundant number, since it is smaller than the sum of its proper divisors (83985788).

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

63385360 is a wasteful number, since it uses less digits than its factorization.

63385360 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 792330 (or 792324 counting only the distinct ones).

The product of its (nonzero) digits is 38880, while the sum is 34.

The square root of 63385360 is about 7961.4923224230. The cubic root of 63385360 is about 398.7153787874.

The spelling of 63385360 in words is "sixty-three million, three hundred eighty-five thousand, three hundred sixty".