79598785536 has 330 divisors, whose sum is σ = 244643917518. Its totient is φ = 25778995200.

The previous prime is 79598785523. The next prime is 79598785559. The reversal of 79598785536 is 63558789597.

79598785536 is a `hidden beast` number, since 7 + 9 + 5 + 9 + 8 + 7 + 85 + 536 = 666.

It can be written as a sum of positive squares in 3 ways, for example, as 59927040000 + 19671745536 = 244800^2 + 140256^2 .

It is a super-2 number, since 2×79598785536² (a number of 23 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (72).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 29 ways as a sum of consecutive naturals, for example, 113549986 + ... + 113550686.

Almost surely, 2^79598785536 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 79598785536, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (122321958759).

79598785536 is an abundant number, since it is smaller than the sum of its proper divisors (165045131982).

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

79598785536 is an equidigital number, since it uses as much as digits as its factorization.

79598785536 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 807 (or 743 counting only the distinct ones).

The product of its digits is 571536000, while the sum is 72.

The spelling of 79598785536 in words is "seventy-nine billion, five hundred ninety-eight million, seven hundred eighty-five thousand, five hundred thirty-six".