85965325871 has 2 divisors, whose sum is σ = 85965325872. Its totient is φ = 85965325870.

The previous prime is 85965325829. The next prime is 85965325879. The reversal of 85965325871 is 17852356958.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 85965325871 - 2³⁴ = 68785456687 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 85965325871.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (85965325879) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 42982662935 + 42982662936.

It is an arithmetic number, because the mean of its divisors is an integer number (42982662936).

Almost surely, 2^85965325871 is an apocalyptic number.

85965325871 is a deficient number, since it is larger than the sum of its proper divisors (1).

85965325871 is an equidigital number, since it uses as much as digits as its factorization.

85965325871 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 18144000, while the sum is 59.

The spelling of 85965325871 in words is "eighty-five billion, nine hundred sixty-five million, three hundred twenty-five thousand, eight hundred seventy-one".