789963221 has 8 divisors (see below), whose sum is σ = 831874560. Its totient is φ = 748682352.

The previous prime is 789963193. The next prime is 789963227. The reversal of 789963221 is 122369987.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-789963221 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (789963227) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 155045 + ... + 160058.

It is an arithmetic number, because the mean of its divisors is an integer number (103984320).

Almost surely, 2^789963221 is an apocalyptic number.

It is an amenable number.

789963221 is a deficient number, since it is larger than the sum of its proper divisors (41911339).

789963221 is a wasteful number, since it uses less digits than its factorization.

789963221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 315235.

The product of its digits is 326592, while the sum is 47.

The square root of 789963221 is about 28106.2843684469. The cubic root of 789963221 is about 924.4192004326.

The spelling of 789963221 in words is "seven hundred eighty-nine million, nine hundred sixty-three thousand, two hundred twenty-one".