63794736848 has 20 divisors (see below), whose sum is σ = 127864451940. Its totient is φ = 30797458944.

The previous prime is 63794736839. The next prime is 63794736937. The reversal of 63794736848 is 84863749736.

It can be written as a sum of positive squares in 2 ways, for example, as 54266634304 + 9528102544 = 232952^2 + 97612^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 68743865 + ... + 68744792.

It is an arithmetic number, because the mean of its divisors is an integer number (6393222597).

Almost surely, 2^63794736848 is an apocalyptic number.

It is an amenable number.

63794736848 is an abundant number, since it is smaller than the sum of its proper divisors (64069715092).

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

63794736848 is a wasteful number, since it uses less digits than its factorization.

63794736848 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 137488694 (or 137488688 counting only the distinct ones).

The product of its digits is 146313216, while the sum is 65.

The spelling of 63794736848 in words is "sixty-three billion, seven hundred ninety-four million, seven hundred thirty-six thousand, eight hundred forty-eight".