85322000591 has 2 divisors, whose sum is σ = 85322000592. Its totient is φ = 85322000590.

The previous prime is 85322000549. The next prime is 85322000593. The reversal of 85322000591 is 19500022358.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-85322000591 is a prime.

It is a Sophie Germain prime.

Together with 85322000593, 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 (85322000593) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 42661000295 + 42661000296.

It is an arithmetic number, because the mean of its divisors is an integer number (42661000296).

Almost surely, 2^85322000591 is an apocalyptic number.

85322000591 is a deficient number, since it is larger than the sum of its proper divisors (1).

85322000591 is an equidigital number, since it uses as much as digits as its factorization.

85322000591 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 21600, while the sum is 35.

The spelling of 85322000591 in words is "eighty-five billion, three hundred twenty-two million, five hundred ninety-one", and thus it is an aban number.