63945308 has 24 divisors (see below), whose sum is σ = 128101344. Its totient is φ = 27360000.

The previous prime is 63945289. The next prime is 63945311. The reversal of 63945308 is 80354936.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 19808 + ... + 22808.

It is an arithmetic number, because the mean of its divisors is an integer number (5337556).

Almost surely, 2^63945308 is an apocalyptic number.

It is an amenable number.

63945308 is an abundant number, since it is smaller than the sum of its proper divisors (64156036).

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

63945308 is a wasteful number, since it uses less digits than its factorization.

63945308 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3773 (or 3771 counting only the distinct ones).

The product of its (nonzero) digits is 77760, while the sum is 38.

The square root of 63945308 is about 7996.5810194107. The cubic root of 63945308 is about 399.8860258612.

The spelling of 63945308 in words is "sixty-three million, nine hundred forty-five thousand, three hundred eight".