63796800678 has 48 divisors (see below), whose sum is σ = 138338592336. Its totient is φ = 19604906880.

The previous prime is 63796800659. The next prime is 63796800679. The reversal of 63796800678 is 87600869736.

It is a super-3 number, since 3×63796800678³ (a number of 33 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (63796800679) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 768688 + ... + 847628.

It is an arithmetic number, because the mean of its divisors is an integer number (2882054007).

Almost surely, 2^63796800678 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 63796800678, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (69169296168).

63796800678 is an abundant number, since it is smaller than the sum of its proper divisors (74541791658).

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

63796800678 is a wasteful number, since it uses less digits than its factorization.

63796800678 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 79769 (or 79756 counting only the distinct ones).

The product of its (nonzero) digits is 18289152, while the sum is 60.

The spelling of 63796800678 in words is "sixty-three billion, seven hundred ninety-six million, eight hundred thousand, six hundred seventy-eight".