63947980800 has 1080 divisors, whose sum is σ = 266214836160. Its totient is φ = 14509670400.

The previous prime is 63947980799. The next prime is 63947980829. The reversal of 63947980800 is 808974936.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 770457559 + ... + 770457641.

Almost surely, 2^63947980800 is an apocalyptic number.

63947980800 is a gapful number since it is divisible by the number (60) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 63947980800, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (133107418080).

63947980800 is an abundant number, since it is smaller than the sum of its proper divisors (202266855360).

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

63947980800 is a wasteful number, since it uses less digits than its factorization.

63947980800 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 157 (or 123 counting only the distinct ones).

The product of its (nonzero) digits is 2612736, while the sum is 54.

The spelling of 63947980800 in words is "sixty-three billion, nine hundred forty-seven million, nine hundred eighty thousand, eight hundred".