85576189 has 6 divisors (see below), whose sum is σ = 86442170. Its totient is φ = 84718800.

The previous prime is 85576121. The next prime is 85576193. The reversal of 85576189 is 98167558.

It can be written as a sum of positive squares in 3 ways, for example, as 73444900 + 12131289 = 8570^2 + 3483^2 .

It is not a de Polignac number, because 85576189 - 2¹³ = 85567997 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 (85576289) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 6007 + ... + 14395.

Almost surely, 2^85576189 is an apocalyptic number.

It is an amenable number.

85576189 is a deficient number, since it is larger than the sum of its proper divisors (865981).

85576189 is an equidigital number, since it uses as much as digits as its factorization.

85576189 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8591 (or 8490 counting only the distinct ones).

The product of its digits is 604800, while the sum is 49.

The square root of 85576189 is about 9250.7399163526. The cubic root of 85576189 is about 440.6742228866.

The spelling of 85576189 in words is "eighty-five million, five hundred seventy-six thousand, one hundred eighty-nine".