79819819706244 has 384 divisors, whose sum is σ = 209099143249920. Its totient is φ = 23592735129600.

The previous prime is 79819819706213. The next prime is 79819819706309. The reversal of 79819819706244 is 44260791891897.

It is a hoax number, since the sum of its digits (75) coincides with the sum of the digits of its distinct prime factors.

It is an unprimeable number.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 5958030154 + ... + 5958043550.

It is an arithmetic number, because the mean of its divisors is an integer number (544529018880).

Almost surely, 2^{79819819706244} 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 79819819706244, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (104549571624960).

79819819706244 is an abundant number, since it is smaller than the sum of its proper divisors (129279323543676).

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

79819819706244 is a wasteful number, since it uses less digits than its factorization.

79819819706244 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13739 (or 13737 counting only the distinct ones).

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

The spelling of 79819819706244 in words is "seventy-nine trillion, eight hundred nineteen billion, eight hundred nineteen million, seven hundred six thousand, two hundred forty-four".