85295539591 has 2 divisors, whose sum is σ = 85295539592. Its totient is φ = 85295539590.

The previous prime is 85295539519. The next prime is 85295539601. The reversal of 85295539591 is 19593559258.

Together with previous prime (85295539519) it forms an Ormiston pair, because they use the same digits, order apart.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 85295539591 - 2⁷ = 85295539463 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (85295539501) 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, 42647769795 + 42647769796.

It is an arithmetic number, because the mean of its divisors is an integer number (42647769796).

Almost surely, 2^85295539591 is an apocalyptic number.

85295539591 is a deficient number, since it is larger than the sum of its proper divisors (1).

85295539591 is an equidigital number, since it uses as much as digits as its factorization.

85295539591 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 21870000, while the sum is 61.

The spelling of 85295539591 in words is "eighty-five billion, two hundred ninety-five million, five hundred thirty-nine thousand, five hundred ninety-one".