789644973328 has 20 divisors (see below), whose sum is σ = 1538484276240. Its totient is φ = 392616773024.

The previous prime is 789644973311. The next prime is 789644973367. The reversal of 789644973328 is 823379446987.

It is a happy number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 137854150 + ... + 137859877.

It is an arithmetic number, because the mean of its divisors is an integer number (76924213812).

Almost surely, 2^789644973328 is an apocalyptic number.

It is an amenable number.

789644973328 is a deficient number, since it is larger than the sum of its proper divisors (748839302912).

789644973328 is a wasteful number, since it uses less digits than its factorization.

789644973328 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 275714214 (or 275714208 counting only the distinct ones).

The product of its digits is 438939648, while the sum is 70.

The spelling of 789644973328 in words is "seven hundred eighty-nine billion, six hundred forty-four million, nine hundred seventy-three thousand, three hundred twenty-eight".