68880806808 has 128 divisors (see below), whose sum is σ = 190745383680. Its totient is φ = 20552970240.

The previous prime is 68880806789. The next prime is 68880806857. The reversal of 68880806808 is 80860808886.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 13160160 + ... + 13165392.

It is an arithmetic number, because the mean of its divisors is an integer number (1490198310).

Almost surely, 2^68880806808 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 68880806808, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (95372691840).

68880806808 is an abundant number, since it is smaller than the sum of its proper divisors (121864576872).

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

68880806808 is a wasteful number, since it uses less digits than its factorization.

68880806808 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6009 (or 6005 counting only the distinct ones).

The product of its (nonzero) digits is 9437184, while the sum is 60.

The spelling of 68880806808 in words is "sixty-eight billion, eight hundred eighty million, eight hundred six thousand, eight hundred eight".