67998310880 has 96 divisors (see below), whose sum is σ = 170266561920. Its totient is φ = 25573662720.

The previous prime is 67998310871. The next prime is 67998310937. The reversal of 67998310880 is 8801389976.

67998310880 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

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, 2814050 + ... + 2838110.

It is an arithmetic number, because the mean of its divisors is an integer number (1773610020).

Almost surely, 2^67998310880 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 67998310880, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (85133280960).

67998310880 is an abundant number, since it is smaller than the sum of its proper divisors (102268251040).

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

67998310880 is a wasteful number, since it uses less digits than its factorization.

67998310880 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25132 (or 25124 counting only the distinct ones).

The product of its (nonzero) digits is 5225472, while the sum is 59.

The spelling of 67998310880 in words is "sixty-seven billion, nine hundred ninety-eight million, three hundred ten thousand, eight hundred eighty".