63768055824 has 120 divisors (see below), whose sum is σ = 194753418912. Its totient is φ = 19316943360.

The previous prime is 63768055817. The next prime is 63768055837. The reversal of 63768055824 is 42855086736.

63768055824 is a `hidden beast` number, since 6 + 3 + 7 + 6 + 80 + 558 + 2 + 4 = 666.

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 23 ways as a sum of consecutive naturals, for example, 6421327 + ... + 6431249.

Almost surely, 2^63768055824 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 63768055824, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (97376709456).

63768055824 is an abundant number, since it is smaller than the sum of its proper divisors (130985363088).

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

63768055824 is a wasteful number, since it uses less digits than its factorization.

63768055824 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14005 (or 13996 counting only the distinct ones).

The product of its (nonzero) digits is 9676800, while the sum is 54.

The spelling of 63768055824 in words is "sixty-three billion, seven hundred sixty-eight million, fifty-five thousand, eight hundred twenty-four".