86022089 has 4 divisors (see below), whose sum is σ = 86046660. Its totient is φ = 85997520.

The previous prime is 86022049. The next prime is 86022121. The reversal of 86022089 is 98022068.

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 75394489 + 10627600 = 8683^2 + 3260^2 .

It is a cyclic number.

It is not a de Polignac number, because 86022089 - 2⁸ = 86021833 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (86022019) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5942 + ... + 14399.

It is an arithmetic number, because the mean of its divisors is an integer number (21511665).

Almost surely, 2^86022089 is an apocalyptic number.

It is an amenable number.

86022089 is a deficient number, since it is larger than the sum of its proper divisors (24571).

86022089 is a wasteful number, since it uses less digits than its factorization.

86022089 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24570.

The product of its (nonzero) digits is 13824, while the sum is 35.

The square root of 86022089 is about 9274.8093780951. The cubic root of 86022089 is about 441.4382840772.

The spelling of 86022089 in words is "eighty-six million, twenty-two thousand, eighty-nine".