68928995828 has 96 divisors (see below), whose sum is σ = 151764738048. Its totient is φ = 26611228800.

The previous prime is 68928995797. The next prime is 68928995843. The reversal of 68928995828 is 82859982986.

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, 15589058 + ... + 15593478.

It is an arithmetic number, because the mean of its divisors is an integer number (1580882688).

Almost surely, 2^68928995828 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 68928995828, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (75882369024).

68928995828 is an abundant number, since it is smaller than the sum of its proper divisors (82835742220).

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

68928995828 is a wasteful number, since it uses less digits than its factorization.

68928995828 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4893 (or 4891 counting only the distinct ones).

The product of its digits is 358318080, while the sum is 74.

The spelling of 68928995828 in words is "sixty-eight billion, nine hundred twenty-eight million, nine hundred ninety-five thousand, eight hundred twenty-eight".