68328705378 has 8 divisors (see below), whose sum is σ = 136657410768. Its totient is φ = 22776235124.

The previous prime is 68328705377. The next prime is 68328705391. The reversal of 68328705378 is 87350782386.

It is a sphenic number, since it is the product of 3 distinct primes.

68328705378 is an admirable number.

It is a super-2 number, since 2×68328705378² (a number of 22 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (68328705377) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5694058776 + ... + 5694058787.

It is an arithmetic number, because the mean of its divisors is an integer number (17082176346).

Almost surely, 2^68328705378 is an apocalyptic number.

68328705378 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

68328705378 is a wasteful number, since it uses less digits than its factorization.

68328705378 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11388117568.

The product of its (nonzero) digits is 13547520, while the sum is 57.

The spelling of 68328705378 in words is "sixty-eight billion, three hundred twenty-eight million, seven hundred five thousand, three hundred seventy-eight".