826344863 has 2 divisors, whose sum is σ = 826344864. Its totient is φ = 826344862.

The previous prime is 826344859. The next prime is 826344949. The reversal of 826344863 is 368443628.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 826344863 - 2² = 826344859 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (826344163) 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 as a sum of consecutive naturals, namely, 413172431 + 413172432.

It is an arithmetic number, because the mean of its divisors is an integer number (413172432).

Almost surely, 2^826344863 is an apocalyptic number.

826344863 is a deficient number, since it is larger than the sum of its proper divisors (1).

826344863 is an equidigital number, since it uses as much as digits as its factorization.

826344863 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 663552, while the sum is 44.

The square root of 826344863 is about 28746.2147595123. The cubic root of 826344863 is about 938.3980800417.

The spelling of 826344863 in words is "eight hundred twenty-six million, three hundred forty-four thousand, eight hundred sixty-three".