85850117 has 4 divisors (see below), whose sum is σ = 87026220. Its totient is φ = 84674016.

The previous prime is 85850111. The next prime is 85850131. The reversal of 85850117 is 71105858.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 71105858 = 2 ⋅35552929.

It can be written as a sum of positive squares in 2 ways, for example, as 36372961 + 49477156 = 6031^2 + 7034^2 .

It is a cyclic number.

It is not a de Polignac number, because 85850117 - 2⁸ = 85849861 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (85850111) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 587942 + ... + 588087.

It is an arithmetic number, because the mean of its divisors is an integer number (21756555).

Almost surely, 2^85850117 is an apocalyptic number.

It is an amenable number.

85850117 is a deficient number, since it is larger than the sum of its proper divisors (1176103).

85850117 is a wasteful number, since it uses less digits than its factorization.

85850117 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1176102.

The product of its (nonzero) digits is 11200, while the sum is 35.

The square root of 85850117 is about 9265.5338216424. The cubic root of 85850117 is about 441.1439191045.

The spelling of 85850117 in words is "eighty-five million, eight hundred fifty thousand, one hundred seventeen".