63988238322 has 54 divisors (see below), whose sum is σ = 140181061293. Its totient is φ = 21095094384.

The previous prime is 63988238309. The next prime is 63988238371. The reversal of 63988238322 is 22383288936.

63988238322 is a `hidden beast` number, since 6 + 3 + 9 + 88 + 238 + 322 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 61400379681 + 2587858641 = 247791^2 + 50871^2 .

It is an ABA number since it can be written as A⋅B^A, here for A=2, B=178869.

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, 116980053 + ... + 116980599.

Almost surely, 2^63988238322 is an apocalyptic number.

63988238322 is an abundant number, since it is smaller than the sum of its proper divisors (76192822971).

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

63988238322 is an equidigital number, since it uses as much as digits as its factorization.

63988238322 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1320 (or 661 counting only the distinct ones).

The product of its digits is 5971968, while the sum is 54.

The spelling of 63988238322 in words is "sixty-three billion, nine hundred eighty-eight million, two hundred thirty-eight thousand, three hundred twenty-two".