826805113 has 4 divisors (see below), whose sum is σ = 826990720. Its totient is φ = 826619508.

The previous prime is 826805099. The next prime is 826805129. The reversal of 826805113 is 311508628.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 826805113 - 2¹⁷ = 826674041 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (826805513) 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, 85953 + ... + 95086.

It is an arithmetic number, because the mean of its divisors is an integer number (206747680).

Almost surely, 2^826805113 is an apocalyptic number.

It is an amenable number.

826805113 is a deficient number, since it is larger than the sum of its proper divisors (185607).

826805113 is a wasteful number, since it uses less digits than its factorization.

826805113 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 185606.

The product of its (nonzero) digits is 11520, while the sum is 34.

The square root of 826805113 is about 28754.2190469503. The cubic root of 826805113 is about 938.5722678317.

The spelling of 826805113 in words is "eight hundred twenty-six million, eight hundred five thousand, one hundred thirteen".