68792009798820 has 384 divisors, whose sum is σ = 241069755064320. Its totient is φ = 14239595335680.

The previous prime is 68792009798807. The next prime is 68792009798891. The reversal of 68792009798820 is 2889790029786.

68792009798820 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×68792009798820² (a number of 28 digits) contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 1373699622 + ... + 1373749698.

It is an arithmetic number, because the mean of its divisors is an integer number (627785820480).

Almost surely, 2^{68792009798820} is an apocalyptic number.

68792009798820 is a gapful number since it is divisible by the number (60) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 68792009798820, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (120534877532160).

68792009798820 is an abundant number, since it is smaller than the sum of its proper divisors (172277745265500).

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

68792009798820 is a wasteful number, since it uses less digits than its factorization.

68792009798820 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 51243 (or 51241 counting only the distinct ones).

The product of its (nonzero) digits is 438939648, while the sum is 75.

The spelling of 68792009798820 in words is "sixty-eight trillion, seven hundred ninety-two billion, nine million, seven hundred ninety-eight thousand, eight hundred twenty".