809780832199 has 8 divisors (see below), whose sum is σ = 846483845120. Its totient is φ = 773739135000.

The previous prime is 809780832197. The next prime is 809780832277. The reversal of 809780832199 is 991238087908.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 809780832199 - 2¹ = 809780832197 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 809780832199.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (809780832193) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 165326427 + ... + 165331324.

It is an arithmetic number, because the mean of its divisors is an integer number (105810480640).

Almost surely, 2^809780832199 is an apocalyptic number.

809780832199 is a deficient number, since it is larger than the sum of its proper divisors (36703012921).

809780832199 is a wasteful number, since it uses less digits than its factorization.

809780832199 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 330657861.

The product of its (nonzero) digits is 15676416, while the sum is 64.

The spelling of 809780832199 in words is "eight hundred nine billion, seven hundred eighty million, eight hundred thirty-two thousand, one hundred ninety-nine".