85326797 has 2 divisors, whose sum is σ = 85326798. Its totient is φ = 85326796.

The previous prime is 85326793. The next prime is 85326799. The reversal of 85326797 is 79762358.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 67059721 + 18267076 = 8189^2 + 4274^2 .

It is a cyclic number.

It is not a de Polignac number, because 85326797 - 2² = 85326793 is a prime.

Together with 85326799, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (85326793) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 42663398 + 42663399.

It is an arithmetic number, because the mean of its divisors is an integer number (42663399).

Almost surely, 2^85326797 is an apocalyptic number.

It is an amenable number.

85326797 is a deficient number, since it is larger than the sum of its proper divisors (1).

85326797 is an equidigital number, since it uses as much as digits as its factorization.

85326797 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 635040, while the sum is 47.

The square root of 85326797 is about 9237.2505108393. The cubic root of 85326797 is about 440.2457253483.

The spelling of 85326797 in words is "eighty-five million, three hundred twenty-six thousand, seven hundred ninety-seven".