789889376864 has 48 divisors (see below), whose sum is σ = 1881795289248. Its totient is φ = 318610839552.

The previous prime is 789889376827. The next prime is 789889376891. The reversal of 789889376864 is 468673988987.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 103710659 + ... + 103718274.

It is an arithmetic number, because the mean of its divisors is an integer number (39204068526).

Almost surely, 2^789889376864 is an apocalyptic number.

It is an amenable number.

789889376864 is an abundant number, since it is smaller than the sum of its proper divisors (1091905912384).

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

789889376864 is a wasteful number, since it uses less digits than its factorization.

789889376864 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 207428967 (or 207428959 counting only the distinct ones).

The product of its digits is 7023034368, while the sum is 83.

The spelling of 789889376864 in words is "seven hundred eighty-nine billion, eight hundred eighty-nine million, three hundred seventy-six thousand, eight hundred sixty-four".