79384585728 has 640 divisors, whose sum is σ = 264159092736. Its totient is φ = 20702822400.

The previous prime is 79384585723. The next prime is 79384585757. The reversal of 79384585728 is 82758548397.

Its product of digits (135475200) is a multiple of the sum of its prime factors (294).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (79384585723) 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, 505634226 + ... + 505634382.

Almost surely, 2^79384585728 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 79384585728, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (132079546368).

79384585728 is an abundant number, since it is smaller than the sum of its proper divisors (184774507008).

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

79384585728 is a wasteful number, since it uses less digits than its factorization.

79384585728 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 294 (or 278 counting only the distinct ones).

The product of its digits is 135475200, while the sum is 66.

The spelling of 79384585728 in words is "seventy-nine billion, three hundred eighty-four million, five hundred eighty-five thousand, seven hundred twenty-eight".