789393280 has 128 divisors (see below), whose sum is σ = 2059747200. Its totient is φ = 287539200.

The previous prime is 789393271. The next prime is 789393287. The reversal of 789393280 is 82393987.

789393280 is digitally balanced in base 6, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (128).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (789393287) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 656680 + ... + 657880.

It is an arithmetic number, because the mean of its divisors is an integer number (16091775).

Almost surely, 2^789393280 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 789393280, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1029873600).

789393280 is an abundant number, since it is smaller than the sum of its proper divisors (1270353920).

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

789393280 is a wasteful number, since it uses less digits than its factorization.

789393280 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1312 (or 1300 counting only the distinct ones).

The product of its (nonzero) digits is 653184, while the sum is 49.

The square root of 789393280 is about 28096.1435076062. The cubic root of 789393280 is about 924.1968309402.

The spelling of 789393280 in words is "seven hundred eighty-nine million, three hundred ninety-three thousand, two hundred eighty".