79997610247680 has 160 divisors (see below), whose sum is σ = 255809384839008. Its totient is φ = 21327105228800.

The previous prime is 79997610247603. The next prime is 79997610247691. The reversal of 79997610247680 is 8674201679997.

It is a tau number, because it is divible by the number of its divisors (160).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 27982240 + ... + 30708320.

Almost surely, 2^{79997610247680} 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 79997610247680, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (127904692419504).

79997610247680 is an abundant number, since it is smaller than the sum of its proper divisors (175811774591328).

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

79997610247680 is a wasteful number, since it uses less digits than its factorization.

79997610247680 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2729928 (or 2729912 counting only the distinct ones).

The product of its (nonzero) digits is 576108288, while the sum is 75.

The spelling of 79997610247680 in words is "seventy-nine trillion, nine hundred ninety-seven billion, six hundred ten million, two hundred forty-seven thousand, six hundred eighty".