85659841 has 4 divisors (see below), whose sum is σ = 85678384. Its totient is φ = 85641300.

The previous prime is 85659839. The next prime is 85659853. The reversal of 85659841 is 14895658.

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, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 85659841 - 2¹ = 85659839 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 85659791 and 85659800.

It is not an unprimeable number, because it can be changed into a prime (85659241) 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, 3826 + ... + 13636.

It is an arithmetic number, because the mean of its divisors is an integer number (21419596).

Almost surely, 2^85659841 is an apocalyptic number.

It is an amenable number.

85659841 is a deficient number, since it is larger than the sum of its proper divisors (18543).

85659841 is an equidigital number, since it uses as much as digits as its factorization.

85659841 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18542.

The product of its digits is 345600, while the sum is 46.

The square root of 85659841 is about 9255.2601800274. The cubic root of 85659841 is about 440.8177646653.

The spelling of 85659841 in words is "eighty-five million, six hundred fifty-nine thousand, eight hundred forty-one".