829879828 has 12 divisors (see below), whose sum is σ = 1458524340. Its totient is φ = 413158592.

The previous prime is 829879801. The next prime is 829879903. The reversal of 829879828 is 828978928.

It can be written as a sum of positive squares in 2 ways, for example, as 63808144 + 766071684 = 7988^2 + 27678^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 444283 + ... + 446146.

It is an arithmetic number, because the mean of its divisors is an integer number (121543695).

Almost surely, 2^829879828 is an apocalyptic number.

It is an amenable number.

829879828 is a deficient number, since it is larger than the sum of its proper divisors (628644512).

829879828 is a wasteful number, since it uses less digits than its factorization.

829879828 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 890666 (or 890664 counting only the distinct ones).

The product of its digits is 9289728, while the sum is 61.

The square root of 829879828 is about 28807.6348907716. The cubic root of 829879828 is about 939.7342798047.

The spelling of 829879828 in words is "eight hundred twenty-nine million, eight hundred seventy-nine thousand, eight hundred twenty-eight".