79993872000 has 768 divisors, whose sum is σ = 342839952000. Its totient is φ = 18279475200.

The previous prime is 79993871999. The next prime is 79993872083. The reversal of 79993872000 is 27839997.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a congruent number.

It is an unprimeable number.

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, 21166111 + ... + 21169889.

Almost surely, 2^79993872000 is an apocalyptic number.

79993872000 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 79993872000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (171419976000).

79993872000 is an abundant number, since it is smaller than the sum of its proper divisors (262846080000).

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

79993872000 is a wasteful number, since it uses less digits than its factorization.

79993872000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3831 (or 3796 counting only the distinct ones).

The product of its (nonzero) digits is 1714608, while the sum is 54.

The spelling of 79993872000 in words is "seventy-nine billion, nine hundred ninety-three million, eight hundred seventy-two thousand".