789612257792 has 90 divisors (see below), whose sum is σ = 1593875913333. Its totient is φ = 390794831872.

The previous prime is 789612257789. The next prime is 789612257827. The reversal of 789612257792 is 297752216987.

It is a powerful number, because all its prime factors have an exponent greater than 1 and also an Achilles number because it is not a perfect power.

It can be written as a sum of positive squares in 2 ways, for example, as 621170964736 + 168441293056 = 788144^2 + 410416^2 .

It is an ABA number since it can be written as A⋅B^A, here for A=2, B=628336.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 3478467983 + ... + 3478468209.

Almost surely, 2^789612257792 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 789612257792

789612257792 is an abundant number, since it is smaller than the sum of its proper divisors (804263655541).

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

789612257792 is an frugal number, since it uses more digits than its factorization.

789612257792 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 818 (or 402 counting only the distinct ones).

The product of its digits is 53343360, while the sum is 65.

The spelling of 789612257792 in words is "seven hundred eighty-nine billion, six hundred twelve million, two hundred fifty-seven thousand, seven hundred ninety-two".