79873920000 has 990 divisors, whose sum is σ = 336438295908. Its totient is φ = 18192384000.

The previous prime is 79873919981. The next prime is 79873920047. The reversal of 79873920000 is 2937897.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is an unprimeable number.

It is a polite number, since it can be written in 89 ways as a sum of consecutive naturals, for example, 282239859 + ... + 282240141.

Almost surely, 2^79873920000 is an apocalyptic number.

79873920000 is a gapful number since it is divisible by the number (70) 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 79873920000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (168219147954).

79873920000 is an abundant number, since it is smaller than the sum of its proper divisors (256564375908).

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

79873920000 is a wasteful number, since it uses less digits than its factorization.

79873920000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 343 (or 300 counting only the distinct ones).

The product of its (nonzero) digits is 190512, while the sum is 45.

The spelling of 79873920000 in words is "seventy-nine billion, eight hundred seventy-three million, nine hundred twenty thousand".