63880961922 has 54 divisors (see below), whose sum is σ = 141964615611. Its totient is φ = 20759999040.

The previous prime is 63880961917. The next prime is 63880961953. The reversal of 63880961922 is 22916908836.

It can be written as a sum of positive squares in 5 ways, for example, as 36001647081 + 27879314841 = 189741^2 + 166971^2 .

It is an ABA number since it can be written as A⋅B^A, here for A=2, B=178719.

It is an unprimeable number.

It is a polite number, since it can be written in 26 ways as a sum of consecutive naturals, for example, 43964148 + ... + 43965600.

Almost surely, 2^63880961922 is an apocalyptic number.

63880961922 is an abundant number, since it is smaller than the sum of its proper divisors (78083653689).

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

63880961922 is an equidigital number, since it uses as much as digits as its factorization.

63880961922 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2996 (or 1499 counting only the distinct ones).

The product of its (nonzero) digits is 2239488, while the sum is 54.

The spelling of 63880961922 in words is "sixty-three billion, eight hundred eighty million, nine hundred sixty-one thousand, nine hundred twenty-two".