85882161 has 16 divisors (see below), whose sum is σ = 119767680. Its totient is φ = 54637440.

The previous prime is 85882157. The next prime is 85882177. The reversal of 85882161 is 16128858.

It is not a de Polignac number, because 85882161 - 2² = 85882157 is a prime.

It is not an unprimeable number, because it can be changed into a prime (85882061) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 34755 + ... + 37143.

It is an arithmetic number, because the mean of its divisors is an integer number (7485480).

Almost surely, 2^85882161 is an apocalyptic number.

It is an amenable number.

85882161 is a deficient number, since it is larger than the sum of its proper divisors (33885519).

85882161 is a wasteful number, since it uses less digits than its factorization.

85882161 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2936.

The product of its digits is 30720, while the sum is 39.

The square root of 85882161 is about 9267.2628645140. The cubic root of 85882161 is about 441.1987986932.

The spelling of 85882161 in words is "eighty-five million, eight hundred eighty-two thousand, one hundred sixty-one".