789784872 has 32 divisors (see below), whose sum is σ = 1975181280. Its totient is φ = 263165760.

The previous prime is 789784871. The next prime is 789784907. The reversal of 789784872 is 278487987.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (789784871) 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 7 ways as a sum of consecutive naturals, for example, 98403 + ... + 106125.

It is an arithmetic number, because the mean of its divisors is an integer number (61724415).

Almost surely, 2^789784872 is an apocalyptic number.

It is an amenable number.

789784872 is an abundant number, since it is smaller than the sum of its proper divisors (1185396408).

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

789784872 is a wasteful number, since it uses less digits than its factorization.

789784872 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11993 (or 11989 counting only the distinct ones).

The product of its digits is 12644352, while the sum is 60.

The square root of 789784872 is about 28103.1114291639. Note that the first 3 decimals coincide. The cubic root of 789784872 is about 924.3496268775.

The spelling of 789784872 in words is "seven hundred eighty-nine million, seven hundred eighty-four thousand, eight hundred seventy-two".