85559369 has 4 divisors (see below), whose sum is σ = 97782144. Its totient is φ = 73336596.

The previous prime is 85559339. The next prime is 85559389. The reversal of 85559369 is 96395558.

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 a cyclic number.

It is not a de Polignac number, because 85559369 - 2¹² = 85555273 is a prime.

It is a super-2 number, since 2×85559369² = 14640811247356322, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (85559329) 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, 6111377 + ... + 6111390.

It is an arithmetic number, because the mean of its divisors is an integer number (24445536).

Almost surely, 2^85559369 is an apocalyptic number.

It is an amenable number.

85559369 is a deficient number, since it is larger than the sum of its proper divisors (12222775).

85559369 is a wasteful number, since it uses less digits than its factorization.

85559369 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12222774.

The product of its digits is 1458000, while the sum is 50.

The square root of 85559369 is about 9249.8307552084. The cubic root of 85559369 is about 440.6453494886.

The spelling of 85559369 in words is "eighty-five million, five hundred fifty-nine thousand, three hundred sixty-nine".