826805323 has 2 divisors, whose sum is σ = 826805324. Its totient is φ = 826805322.

The previous prime is 826805263. The next prime is 826805327. The reversal of 826805323 is 323508628.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-826805323 is a prime.

It is a super-2 number, since 2×826805323² = 1367214084282268658, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (826805327) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 413402661 + 413402662.

It is an arithmetic number, because the mean of its divisors is an integer number (413402662).

Almost surely, 2^826805323 is an apocalyptic number.

826805323 is a deficient number, since it is larger than the sum of its proper divisors (1).

826805323 is an equidigital number, since it uses as much as digits as its factorization.

826805323 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 69120, while the sum is 37.

The square root of 826805323 is about 28754.2226985881. Note that the first 3 decimals coincide. The cubic root of 826805323 is about 938.5723472943.

The spelling of 826805323 in words is "eight hundred twenty-six million, eight hundred five thousand, three hundred twenty-three".