79600020121860 has 192 divisors, whose sum is σ = 255176627650560. Its totient is φ = 18161707576320.

The previous prime is 79600020121837. The next prime is 79600020121861. The reversal of 79600020121860 is 6812102000697.

79600020121860 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is not an unprimeable number, because it can be changed into a prime (79600020121861) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 536433397 + ... + 536581763.

It is an arithmetic number, because the mean of its divisors is an integer number (1329044935680).

Almost surely, 2^{79600020121860} is an apocalyptic number.

79600020121860 is a gapful number since it is divisible by the number (70) 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 79600020121860, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (127588313825280).

79600020121860 is an abundant number, since it is smaller than the sum of its proper divisors (175576607528700).

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

79600020121860 is a wasteful number, since it uses less digits than its factorization.

79600020121860 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 150666 (or 150664 counting only the distinct ones).

The product of its (nonzero) digits is 72576, while the sum is 42.

The spelling of 79600020121860 in words is "seventy-nine trillion, six hundred billion, twenty million, one hundred twenty-one thousand, eight hundred sixty".