789228861 has 8 divisors (see below), whose sum is σ = 1052502720. Its totient is φ = 526053792.

The previous prime is 789228857. The next prime is 789228863. The reversal of 789228861 is 168822987.

It is a happy number.

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

It is not a de Polignac number, because 789228861 - 2² = 789228857 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (789228863) 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, 3441 + ... + 39878.

It is an arithmetic number, because the mean of its divisors is an integer number (131562840).

Almost surely, 2^789228861 is an apocalyptic number.

It is an amenable number.

789228861 is a deficient number, since it is larger than the sum of its proper divisors (263273859).

789228861 is a wasteful number, since it uses less digits than its factorization.

789228861 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 49395.

The product of its digits is 774144, while the sum is 51.

The square root of 789228861 is about 28093.2173486769. The cubic root of 789228861 is about 924.1326609530.

The spelling of 789228861 in words is "seven hundred eighty-nine million, two hundred twenty-eight thousand, eight hundred sixty-one".