79720898008752 has 800 divisors, whose sum is σ = 309929528240640. Its totient is φ = 19105823600640.

The previous prime is 79720898008667. The next prime is 79720898008799. The reversal of 79720898008752 is 25780089802797.

It is a Harshad number since it is a multiple of its sum of digits (72).

It is an unprimeable number.

It is a polite number, since it can be written in 159 ways as a sum of consecutive naturals, for example, 3415768699 + ... + 3415792037.

Almost surely, 2^{79720898008752} is an apocalyptic number.

79720898008752 is a gapful number since it is divisible by the number (72) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 79720898008752, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (154964764120320).

79720898008752 is an abundant number, since it is smaller than the sum of its proper divisors (230208630231888).

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

79720898008752 is a wasteful number, since it uses less digits than its factorization.

79720898008752 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26023 (or 26008 counting only the distinct ones).

The product of its (nonzero) digits is 284497920, while the sum is 72.

The spelling of 79720898008752 in words is "seventy-nine trillion, seven hundred twenty billion, eight hundred ninety-eight million, eight thousand, seven hundred fifty-two".