79909318600 has 96 divisors (see below), whose sum is σ = 196523493120. Its totient is φ = 30155051520.

The previous prime is 79909318583. The next prime is 79909318603. The reversal of 79909318600 is 681390997.

It is not an unprimeable number, because it can be changed into a prime (79909318603) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 216817 + ... + 454783.

It is an arithmetic number, because the mean of its divisors is an integer number (2047119720).

Almost surely, 2^79909318600 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 79909318600, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (98261746560).

79909318600 is an abundant number, since it is smaller than the sum of its proper divisors (116614174520).

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

79909318600 is a wasteful number, since it uses less digits than its factorization.

79909318600 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 238079 (or 238070 counting only the distinct ones).

The product of its (nonzero) digits is 734832, while the sum is 52.

The spelling of 79909318600 in words is "seventy-nine billion, nine hundred nine million, three hundred eighteen thousand, six hundred".