79998600 has 384 divisors, whose sum is σ = 308551680. Its totient is φ = 16896000.

The previous prime is 79998593. The next prime is 79998601. The reversal of 79998600 is 689997.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 79998600.

It is not an unprimeable number, because it can be changed into a prime (79998601) 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 95 ways as a sum of consecutive naturals, for example, 2580585 + ... + 2580615.

It is an arithmetic number, because the mean of its divisors is an integer number (803520).

Almost surely, 2^79998600 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 79998600, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (154275840).

79998600 is an abundant number, since it is smaller than the sum of its proper divisors (228553080).

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

79998600 is a wasteful number, since it uses less digits than its factorization.

79998600 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 101 (or 92 counting only the distinct ones).

The product of its (nonzero) digits is 244944, while the sum is 48.

The square root of 79998600 is about 8944.1936472775. The cubic root of 79998600 is about 430.8844244846.

It can be divided in two parts, 799 and 98600, that added together give a palindrome (99399).

The spelling of 79998600 in words is "seventy-nine million, nine hundred ninety-eight thousand, six hundred".