799616972800 has 144 divisors (see below), whose sum is σ = 1994749749720. Its totient is φ = 317881221120.

The previous prime is 799616972723. The next prime is 799616972801. The reversal of 799616972800 is 8279616997.

It is a Harshad number since it is a multiple of its sum of digits (64).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (799616972801) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 8297694 + ... + 8393506.

Almost surely, 2^799616972800 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 799616972800, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (997374874860).

799616972800 is an abundant number, since it is smaller than the sum of its proper divisors (1195132776920).

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

799616972800 is a wasteful number, since it uses less digits than its factorization.

799616972800 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 96008 (or 95983 counting only the distinct ones).

The product of its (nonzero) digits is 20575296, while the sum is 64.

The spelling of 799616972800 in words is "seven hundred ninety-nine billion, six hundred sixteen million, nine hundred seventy-two thousand, eight hundred".