85020089 has 8 divisors (see below), whose sum is σ = 105999168. Its totient is φ = 66249360.

The previous prime is 85020071. The next prime is 85020127. The reversal of 85020089 is 98002058.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 85020089 - 2⁸ = 85019833 is a prime.

It is not an unprimeable number, because it can be changed into a prime (85020049) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 552002 + ... + 552155.

It is an arithmetic number, because the mean of its divisors is an integer number (13249896).

Almost surely, 2^85020089 is an apocalyptic number.

It is an amenable number.

85020089 is a deficient number, since it is larger than the sum of its proper divisors (20979079).

85020089 is a wasteful number, since it uses less digits than its factorization.

85020089 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1104175.

The product of its (nonzero) digits is 5760, while the sum is 32.

The square root of 85020089 is about 9220.6338719201. The cubic root of 85020089 is about 439.7176028839.

The spelling of 85020089 in words is "eighty-five million, twenty thousand, eighty-nine".