79729364992 has 104 divisors (see below), whose sum is σ = 173622988800. Its totient is φ = 36463214592.

The previous prime is 79729364989. The next prime is 79729364993. The reversal of 79729364992 is 29946392797.

It is not an unprimeable number, because it can be changed into a prime (79729364993) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 2239233 + ... + 2274559.

Almost surely, 2^79729364992 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 79729364992, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (86811494400).

79729364992 is an abundant number, since it is smaller than the sum of its proper divisors (93893623808).

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

79729364992 is a wasteful number, since it uses less digits than its factorization.

79729364992 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 35399 (or 35377 counting only the distinct ones).

The product of its digits is 92588832, while the sum is 67.

The spelling of 79729364992 in words is "seventy-nine billion, seven hundred twenty-nine million, three hundred sixty-four thousand, nine hundred ninety-two".