789869520 has 480 divisors, whose sum is σ = 3168547200. Its totient is φ = 174182400.

The previous prime is 789869513. The next prime is 789869543. The reversal of 789869520 is 25968987.

It is a happy number.

789869520 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 4363830 + ... + 4364010.

It is an arithmetic number, because the mean of its divisors is an integer number (6601140).

Almost surely, 2^789869520 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 789869520, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1584273600).

789869520 is an abundant number, since it is smaller than the sum of its proper divisors (2378677680).

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

789869520 is a wasteful number, since it uses less digits than its factorization.

789869520 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 259 (or 250 counting only the distinct ones).

The product of its (nonzero) digits is 2177280, while the sum is 54.

The square root of 789869520 is about 28104.6174142257. The cubic root of 789869520 is about 924.3826491830.

The spelling of 789869520 in words is "seven hundred eighty-nine million, eight hundred sixty-nine thousand, five hundred twenty".