829165812 has 12 divisors (see below), whose sum is σ = 1934720256. Its totient is φ = 276388600.

The previous prime is 829165811. The next prime is 829165817. The reversal of 829165812 is 218561928.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (12).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (829165811) 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, 34548564 + ... + 34548587.

It is an arithmetic number, because the mean of its divisors is an integer number (161226688).

Almost surely, 2^829165812 is an apocalyptic number.

It is an amenable number.

829165812 is an abundant number, since it is smaller than the sum of its proper divisors (1105554444).

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

829165812 is a wasteful number, since it uses less digits than its factorization.

829165812 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 69097158 (or 69097156 counting only the distinct ones).

The product of its digits is 69120, while the sum is 42.

The square root of 829165812 is about 28795.2393982061. The cubic root of 829165812 is about 939.4646914394.

The spelling of 829165812 in words is "eight hundred twenty-nine million, one hundred sixty-five thousand, eight hundred twelve".