80830829 has 4 divisors (see below), whose sum is σ = 83015484. Its totient is φ = 78646176.

The previous prime is 80830811. The next prime is 80830831. The reversal of 80830829 is 92803808.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 56100100 + 24730729 = 7490^2 + 4973^2 .

It is a cyclic number.

It is not a de Polignac number, because 80830829 - 2²⁰ = 79782253 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 80830792 and 80830801.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (80830889) 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, 1092272 + ... + 1092345.

It is an arithmetic number, because the mean of its divisors is an integer number (20753871).

Almost surely, 2^80830829 is an apocalyptic number.

It is an amenable number.

80830829 is a deficient number, since it is larger than the sum of its proper divisors (2184655).

80830829 is a wasteful number, since it uses less digits than its factorization.

80830829 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2184654.

The product of its (nonzero) digits is 27648, while the sum is 38.

The square root of 80830829 is about 8990.5966987737. The cubic root of 80830829 is about 432.3734428732.

The spelling of 80830829 in words is "eighty million, eight hundred thirty thousand, eight hundred twenty-nine".