79997442300 has 432 divisors, whose sum is σ = 282451609440. Its totient is φ = 18818334720.

The previous prime is 79997442263. The next prime is 79997442313. The reversal of 79997442300 is 324479997.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 143 ways as a sum of consecutive naturals, for example, 28196482 + ... + 28199318.

It is an arithmetic number, because the mean of its divisors is an integer number (653823170).

Almost surely, 2^79997442300 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 79997442300, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (141225804720).

79997442300 is an abundant number, since it is smaller than the sum of its proper divisors (202454167140).

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

79997442300 is a wasteful number, since it uses less digits than its factorization.

79997442300 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2990 (or 2980 counting only the distinct ones).

The product of its (nonzero) digits is 3429216, while the sum is 54.

The spelling of 79997442300 in words is "seventy-nine billion, nine hundred ninety-seven million, four hundred forty-two thousand, three hundred".