63980852996 has 24 divisors (see below), whose sum is σ = 118659032856. Its totient is φ = 30081646080.

The previous prime is 63980852989. The next prime is 63980853011. The reversal of 63980852996 is 69925808936.

63980852996 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 65934400 + 63914918596 = 8120^2 + 252814^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 345215 + ... + 497126.

It is an arithmetic number, because the mean of its divisors is an integer number (4944126369).

Almost surely, 2^63980852996 is an apocalyptic number.

It is an amenable number.

63980852996 is a deficient number, since it is larger than the sum of its proper divisors (54678179860).

63980852996 is a wasteful number, since it uses less digits than its factorization.

63980852996 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 843479 (or 843477 counting only the distinct ones).

The product of its (nonzero) digits is 50388480, while the sum is 65.

The spelling of 63980852996 in words is "sixty-three billion, nine hundred eighty million, eight hundred fifty-two thousand, nine hundred ninety-six".