82326689 has 2 divisors, whose sum is σ = 82326690. Its totient is φ = 82326688.

The previous prime is 82326661. The next prime is 82326697. The reversal of 82326689 is 98662328.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 81360400 + 966289 = 9020^2 + 983^2 .

It is a cyclic number.

It is not a de Polignac number, because 82326689 - 2¹² = 82322593 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (82326619) 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, 41163344 + 41163345.

It is an arithmetic number, because the mean of its divisors is an integer number (41163345).

Almost surely, 2^82326689 is an apocalyptic number.

It is an amenable number.

82326689 is a deficient number, since it is larger than the sum of its proper divisors (1).

82326689 is an equidigital number, since it uses as much as digits as its factorization.

82326689 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 248832, while the sum is 44.

The square root of 82326689 is about 9073.4055899646. The cubic root of 82326689 is about 435.0243329851.

The spelling of 82326689 in words is "eighty-two million, three hundred twenty-six thousand, six hundred eighty-nine".