85035871 has 2 divisors, whose sum is σ = 85035872. Its totient is φ = 85035870.

The previous prime is 85035833. The next prime is 85035877. The reversal of 85035871 is 17853058.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 85035871 - 2²⁵ = 51481439 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 85035871.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (85035877) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 42517935 + 42517936.

It is an arithmetic number, because the mean of its divisors is an integer number (42517936).

Almost surely, 2^85035871 is an apocalyptic number.

85035871 is a deficient number, since it is larger than the sum of its proper divisors (1).

85035871 is an equidigital number, since it uses as much as digits as its factorization.

85035871 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 33600, while the sum is 37.

The square root of 85035871 is about 9221.4896302062. The cubic root of 85035871 is about 439.7448089790.

The spelling of 85035871 in words is "eighty-five million, thirty-five thousand, eight hundred seventy-one".