63786068736 has 72 divisors (see below), whose sum is σ = 182822759280. Its totient is φ = 19626479616.

The previous prime is 63786068663. The next prime is 63786068821.

63786068736 is nontrivially palindromic in base 10.

It is a self number, because there is not a number n which added to its sum of digits gives 63786068736.

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, 3184431 + ... + 3204398.

It is an arithmetic number, because the mean of its divisors is an integer number (2539204990).

Almost surely, 2^63786068736 is an apocalyptic number.

It is an amenable number.

63786068736 is an abundant number, since it is smaller than the sum of its proper divisors (119036690544).

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

63786068736 is a wasteful number, since it uses less digits than its factorization.

63786068736 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6388861 (or 6388847 counting only the distinct ones).

The product of its (nonzero) digits is 36578304, while the sum is 60.

The spelling of 63786068736 in words is "sixty-three billion, seven hundred eighty-six million, sixty-eight thousand, seven hundred thirty-six".