829820688 has 20 divisors (see below), whose sum is σ = 2143703568. Its totient is φ = 276606880.

The previous prime is 829820683. The next prime is 829820707. The reversal of 829820688 is 886028928.

It is a self number, because there is not a number n which added to its sum of digits gives 829820688.

It is not an unprimeable number, because it can be changed into a prime (829820683) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8643918 + ... + 8644013.

Almost surely, 2^829820688 is an apocalyptic number.

It is an amenable number.

829820688 is an abundant number, since it is smaller than the sum of its proper divisors (1313882880).

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

829820688 is a wasteful number, since it uses less digits than its factorization.

829820688 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17287942 (or 17287936 counting only the distinct ones).

The product of its (nonzero) digits is 884736, while the sum is 51.

The square root of 829820688 is about 28806.6084084885. The cubic root of 829820688 is about 939.7119564098.

The spelling of 829820688 in words is "eight hundred twenty-nine million, eight hundred twenty thousand, six hundred eighty-eight".