79943805785088 has 660 divisors, whose sum is σ = 281220173847360. Its totient is φ = 22551869104128.

The previous prime is 79943805785059. The next prime is 79943805785093. The reversal of 79943805785088 is 88058750834997.

79943805785088 is a `hidden beast` number, since 7 + 9 + 9 + 4 + 38 + 0 + 5 + 78 + 508 + 8 = 666.

It is a Harshad number since it is a multiple of its sum of digits (81).

It is a junction number, because it is equal to n+sod(n) for n = 79943805784998 and 79943805785016.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 59 ways as a sum of consecutive naturals, for example, 320951731 + ... + 321200717.

It is an arithmetic number, because the mean of its divisors is an integer number (426091172496).

Almost surely, 2^{79943805785088} 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 79943805785088, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (140610086923680).

79943805785088 is an abundant number, since it is smaller than the sum of its proper divisors (201276368062272).

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

79943805785088 is a wasteful number, since it uses less digits than its factorization.

79943805785088 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 249112 (or 249078 counting only the distinct ones).

The product of its (nonzero) digits is 4877107200, while the sum is 81.

The spelling of 79943805785088 in words is "seventy-nine trillion, nine hundred forty-three billion, eight hundred five million, seven hundred eighty-five thousand, eighty-eight".