829805211 has 6 divisors (see below), whose sum is σ = 1198607540. Its totient is φ = 553203468.

The previous prime is 829805209. The next prime is 829805231. The reversal of 829805211 is 112508928.

It is not a de Polignac number, because 829805211 - 2¹ = 829805209 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (829805231) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 46100281 + ... + 46100298.

Almost surely, 2^829805211 is an apocalyptic number.

829805211 is a deficient number, since it is larger than the sum of its proper divisors (368802329).

829805211 is a wasteful number, since it uses less digits than its factorization.

829805211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 92200585 (or 92200582 counting only the distinct ones).

The product of its (nonzero) digits is 11520, while the sum is 36.

The square root of 829805211 is about 28806.3397709601. The cubic root of 829805211 is about 939.7061141788.

The spelling of 829805211 in words is "eight hundred twenty-nine million, eight hundred five thousand, two hundred eleven".