828894789 has 40 divisors (see below), whose sum is σ = 1341648000. Its totient is φ = 507959424.

The previous prime is 828894743. The next prime is 828894811. The reversal of 828894789 is 987498828.

It is a happy number.

828894789 is a `hidden beast` number, since 82 + 8 + 89 + 478 + 9 = 666.

It is not a de Polignac number, because 828894789 - 2¹¹ = 828892741 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (828893789) 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 39 ways as a sum of consecutive naturals, for example, 52212 + ... + 66210.

It is an arithmetic number, because the mean of its divisors is an integer number (33541200).

Almost surely, 2^828894789 is an apocalyptic number.

It is an amenable number.

828894789 is a deficient number, since it is larger than the sum of its proper divisors (512753211).

828894789 is a wasteful number, since it uses less digits than its factorization.

828894789 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14071 (or 14062 counting only the distinct ones).

The product of its digits is 18579456, while the sum is 63.

The square root of 828894789 is about 28790.5329752681. The cubic root of 828894789 is about 939.3623217718.

It can be divided in two parts, 82889 and 4789, that added together give a palindrome (87678).

The spelling of 828894789 in words is "eight hundred twenty-eight million, eight hundred ninety-four thousand, seven hundred eighty-nine".