826866223 has 2 divisors, whose sum is σ = 826866224. Its totient is φ = 826866222.

The previous prime is 826866211. The next prime is 826866289. The reversal of 826866223 is 322668628.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 826866223 - 2⁵ = 826866191 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 826866223.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (826866203) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 413433111 + 413433112.

It is an arithmetic number, because the mean of its divisors is an integer number (413433112).

Almost surely, 2^826866223 is an apocalyptic number.

826866223 is a deficient number, since it is larger than the sum of its proper divisors (1).

826866223 is an equidigital number, since it uses as much as digits as its factorization.

826866223 is an evil number, because the sum of its binary digits is even.

The product of its digits is 331776, while the sum is 43.

The square root of 826866223 is about 28755.2816539849. The cubic root of 826866223 is about 938.5953908698.

The spelling of 826866223 in words is "eight hundred twenty-six million, eight hundred sixty-six thousand, two hundred twenty-three".