79105826607738 has 128 divisors (see below), whose sum is σ = 193699073433600. Its totient is φ = 21035943663552.

The previous prime is 79105826607721. The next prime is 79105826607739. The reversal of 79105826607738 is 83770662850197.

79105826607738 is digitally balanced in base 3 and base 4, because in such bases it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (79105826607739) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 8519745 + ... + 15192027.

It is an arithmetic number, because the mean of its divisors is an integer number (1513274011200).

Almost surely, 2^{79105826607738} is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 79105826607738, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (96849536716800).

79105826607738 is an abundant number, since it is smaller than the sum of its proper divisors (114593246825862).

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

79105826607738 is a wasteful number, since it uses less digits than its factorization.

79105826607738 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6672576.

The product of its (nonzero) digits is 213373440, while the sum is 69.

The spelling of 79105826607738 in words is "seventy-nine trillion, one hundred five billion, eight hundred twenty-six million, six hundred seven thousand, seven hundred thirty-eight".