85199189 has 16 divisors (see below), whose sum is σ = 92969856. Its totient is φ = 77760000.

The previous prime is 85199141. The next prime is 85199201. The reversal of 85199189 is 98199158.

It is a cyclic number.

It is not a de Polignac number, because 85199189 - 2⁸ = 85198933 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 (85199119) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 174704 + ... + 175190.

It is an arithmetic number, because the mean of its divisors is an integer number (5810616).

Almost surely, 2^85199189 is an apocalyptic number.

It is an amenable number.

85199189 is a deficient number, since it is larger than the sum of its proper divisors (7770667).

85199189 is a wasteful number, since it uses less digits than its factorization.

85199189 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 796.

The product of its digits is 233280, while the sum is 50.

The square root of 85199189 is about 9230.3406762698. The cubic root of 85199189 is about 440.0261503053.

The spelling of 85199189 in words is "eighty-five million, one hundred ninety-nine thousand, one hundred eighty-nine".