85852685 has 4 divisors (see below), whose sum is σ = 103023228. Its totient is φ = 68682144.

The previous prime is 85852631. The next prime is 85852687. The reversal of 85852685 is 58625858.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 58625858 = 2 ⋅29312929.

It can be written as a sum of positive squares in 2 ways, for example, as 41203561 + 44649124 = 6419^2 + 6682^2 .

It is a cyclic number.

It is not a de Polignac number, because 85852685 - 2¹⁸ = 85590541 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (85852687) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8585264 + ... + 8585273.

It is an arithmetic number, because the mean of its divisors is an integer number (25755807).

Almost surely, 2^85852685 is an apocalyptic number.

It is an amenable number.

85852685 is a deficient number, since it is larger than the sum of its proper divisors (17170543).

85852685 is a wasteful number, since it uses less digits than its factorization.

85852685 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17170542.

The product of its digits is 768000, while the sum is 47.

The square root of 85852685 is about 9265.6723986983. The cubic root of 85852685 is about 441.1483176475.

The spelling of 85852685 in words is "eighty-five million, eight hundred fifty-two thousand, six hundred eighty-five".