86885089 has 4 divisors (see below), whose sum is σ = 86908356. Its totient is φ = 86861824.

The previous prime is 86885087. The next prime is 86885129. The reversal of 86885089 is 98058868.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 70140625 + 16744464 = 8375^2 + 4092^2 .

It is a cyclic number.

It is not a de Polignac number, because 86885089 - 2¹ = 86885087 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (86885087) 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 3 ways as a sum of consecutive naturals, for example, 4624 + ... + 13969.

It is an arithmetic number, because the mean of its divisors is an integer number (21727089).

Almost surely, 2^86885089 is an apocalyptic number.

It is an amenable number.

86885089 is a deficient number, since it is larger than the sum of its proper divisors (23267).

86885089 is a wasteful number, since it uses less digits than its factorization.

86885089 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23266.

The product of its (nonzero) digits is 1105920, while the sum is 52.

The square root of 86885089 is about 9321.2171415540. The cubic root of 86885089 is about 442.9095895817.

The spelling of 86885089 in words is "eighty-six million, eight hundred eighty-five thousand, eighty-nine".