828558433212 has 24 divisors (see below), whose sum is σ = 1933462876800. Its totient is φ = 276163306416.

The previous prime is 828558433159. The next prime is 828558433217. The reversal of 828558433212 is 212334855828.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (828558433217) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2703262 + ... + 2994117.

It is an arithmetic number, because the mean of its divisors is an integer number (80560953200).

Almost surely, 2^828558433212 is an apocalyptic number.

It is an amenable number.

828558433212 is an abundant number, since it is smaller than the sum of its proper divisors (1104904443588).

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

828558433212 is a wasteful number, since it uses less digits than its factorization.

828558433212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5709505 (or 5709503 counting only the distinct ones).

The product of its digits is 3686400, while the sum is 51.

The spelling of 828558433212 in words is "eight hundred twenty-eight billion, five hundred fifty-eight million, four hundred thirty-three thousand, two hundred twelve".