63680058880 has 160 divisors (see below), whose sum is σ = 156135006720. Its totient is φ = 24902000640.

The previous prime is 63680058877. The next prime is 63680058881. The reversal of 63680058880 is 8885008636.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (160).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (63680058881) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 23839945 + ... + 23842615.

It is an arithmetic number, because the mean of its divisors is an integer number (975843792).

Almost surely, 2^63680058880 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 63680058880, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (78067503360).

63680058880 is an abundant number, since it is smaller than the sum of its proper divisors (92454947840).

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

63680058880 is a wasteful number, since it uses less digits than its factorization.

63680058880 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2900 (or 2884 counting only the distinct ones).

The product of its (nonzero) digits is 2211840, while the sum is 52.

The spelling of 63680058880 in words is "sixty-three billion, six hundred eighty million, fifty-eight thousand, eight hundred eighty".