85806141 has 4 divisors (see below), whose sum is σ = 114408192. Its totient is φ = 57204092.

The previous prime is 85806139. The next prime is 85806143. The reversal of 85806141 is 14160858.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is an interprime number because it is at equal distance from previous prime (85806139) and next prime (85806143).

It is a cyclic number.

It is not a de Polignac number, because 85806141 - 2¹ = 85806139 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (85806143) 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, 14301021 + ... + 14301026.

It is an arithmetic number, because the mean of its divisors is an integer number (28602048).

Almost surely, 2^85806141 is an apocalyptic number.

It is an amenable number.

85806141 is a deficient number, since it is larger than the sum of its proper divisors (28602051).

85806141 is a wasteful number, since it uses less digits than its factorization.

85806141 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28602050.

The product of its (nonzero) digits is 7680, while the sum is 33.

The square root of 85806141 is about 9263.1604217999. The cubic root of 85806141 is about 441.0685821527.

Adding to 85806141 its reverse (14160858), we get a palindrome (99966999).

The spelling of 85806141 in words is "eighty-five million, eight hundred six thousand, one hundred forty-one".