68882613680 has 80 divisors (see below), whose sum is σ = 168673370880. Its totient is φ = 26088604416.

The previous prime is 68882613641. The next prime is 68882613691. The reversal of 68882613680 is 8631628886.

It is a tau number, because it is divible by the number of its divisors (80).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3008837 + ... + 3031643.

It is an arithmetic number, because the mean of its divisors is an integer number (2108417136).

Almost surely, 2^68882613680 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 68882613680, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (84336685440).

68882613680 is an abundant number, since it is smaller than the sum of its proper divisors (99790757200).

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

68882613680 is a wasteful number, since it uses less digits than its factorization.

68882613680 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24826 (or 24820 counting only the distinct ones).

The product of its (nonzero) digits is 5308416, while the sum is 56.

The spelling of 68882613680 in words is "sixty-eight billion, eight hundred eighty-two million, six hundred thirteen thousand, six hundred eighty".