789871730688 has 1120 divisors, whose sum is σ = 2679493386240. Its totient is φ = 230756843520.

The previous prime is 789871730633. The next prime is 789871730689. The reversal of 789871730688 is 886037178987.

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

It is not an unprimeable number, because it can be changed into a prime (789871730689) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 79 ways as a sum of consecutive naturals, for example, 16805781481 + ... + 16805781527.

Almost surely, 2^789871730688 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 789871730688, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1339746693120).

789871730688 is an abundant number, since it is smaller than the sum of its proper divisors (1889621655552).

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

789871730688 is a wasteful number, since it uses less digits than its factorization.

789871730688 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 178 (or 145 counting only the distinct ones).

The product of its (nonzero) digits is 227598336, while the sum is 72.

The spelling of 789871730688 in words is "seven hundred eighty-nine billion, eight hundred seventy-one million, seven hundred thirty thousand, six hundred eighty-eight".