789666336 has 72 divisors (see below), whose sum is σ = 2251791360. Its totient is φ = 262498176.

The previous prime is 789666307. The next prime is 789666341. The reversal of 789666336 is 633666987.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (72).

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 106725 + ... + 113883.

It is an arithmetic number, because the mean of its divisors is an integer number (31274880).

Almost surely, 2^789666336 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 789666336, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1125895680).

789666336 is an abundant number, since it is smaller than the sum of its proper divisors (1462125024).

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

789666336 is a wasteful number, since it uses less digits than its factorization.

789666336 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7558 (or 7547 counting only the distinct ones).

The product of its digits is 5878656, while the sum is 54.

The square root of 789666336 is about 28101.0024020496. The cubic root of 789666336 is about 924.3033804488.

The spelling of 789666336 in words is "seven hundred eighty-nine million, six hundred sixty-six thousand, three hundred thirty-six".