79788822888845 has 16 divisors (see below), whose sum is σ = 113197935922560. Its totient is φ = 52825703429184.

The previous prime is 79788822888823. The next prime is 79788822888871. The reversal of 79788822888845 is 54888822888797.

It is not a de Polignac number, because 79788822888845 - 2¹⁸ = 79788822626701 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 39304837847 + ... + 39304839876.

It is an arithmetic number, because the mean of its divisors is an integer number (7074870995160).

Almost surely, 2^{79788822888845} is an apocalyptic number.

It is an amenable number.

79788822888845 is a deficient number, since it is larger than the sum of its proper divisors (33409113033715).

79788822888845 is a wasteful number, since it uses less digits than its factorization.

79788822888845 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 78609677764.

The product of its digits is 73987522560, while the sum is 92.

The spelling of 79788822888845 in words is "seventy-nine trillion, seven hundred eighty-eight billion, eight hundred twenty-two million, eight hundred eighty-eight thousand, eight hundred forty-five".