63723328396 has 48 divisors (see below), whose sum is σ = 137336290560. Its totient is φ = 25193424960.

The previous prime is 63723328381. The next prime is 63723328421. The reversal of 63723328396 is 69382332736.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (52).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 535251 + ... + 643381.

It is an arithmetic number, because the mean of its divisors is an integer number (2861172720).

Almost surely, 2^63723328396 is an apocalyptic number.

It is an amenable number.

63723328396 is an abundant number, since it is smaller than the sum of its proper divisors (73612962164).

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

63723328396 is a wasteful number, since it uses less digits than its factorization.

63723328396 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 109774 (or 109772 counting only the distinct ones).

The product of its digits is 5878656, while the sum is 52.

The spelling of 63723328396 in words is "sixty-three billion, seven hundred twenty-three million, three hundred twenty-eight thousand, three hundred ninety-six".