85041494597 has 2 divisors, whose sum is σ = 85041494598. Its totient is φ = 85041494596.

The previous prime is 85041494581. The next prime is 85041494617. The reversal of 85041494597 is 79549414058.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 72900540001 + 12140954596 = 270001^2 + 110186^2 .

It is a cyclic number.

It is not a de Polignac number, because 85041494597 - 2⁴ = 85041494581 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (85041094597) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 42520747298 + 42520747299.

It is an arithmetic number, because the mean of its divisors is an integer number (42520747299).

Almost surely, 2^85041494597 is an apocalyptic number.

It is an amenable number.

85041494597 is a deficient number, since it is larger than the sum of its proper divisors (1).

85041494597 is an equidigital number, since it uses as much as digits as its factorization.

85041494597 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 7257600, while the sum is 56.

The spelling of 85041494597 in words is "eighty-five billion, forty-one million, four hundred ninety-four thousand, five hundred ninety-seven".