85119569 has 4 divisors (see below), whose sum is σ = 85732080. Its totient is φ = 84507060.

The previous prime is 85119539. The next prime is 85119581. The reversal of 85119569 is 96591158.

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 85119569 - 2¹⁶ = 85054033 is a prime.

It is a super-2 number, since 2×85119569² = 14490682053491522, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (85119539) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 306047 + ... + 306324.

It is an arithmetic number, because the mean of its divisors is an integer number (21433020).

Almost surely, 2^85119569 is an apocalyptic number.

It is an amenable number.

85119569 is a deficient number, since it is larger than the sum of its proper divisors (612511).

85119569 is a wasteful number, since it uses less digits than its factorization.

85119569 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 612510.

The product of its digits is 97200, while the sum is 44.

The square root of 85119569 is about 9226.0267179323. The cubic root of 85119569 is about 439.8890371014.

The spelling of 85119569 in words is "eighty-five million, one hundred nineteen thousand, five hundred sixty-nine".