86889599 has 4 divisors (see below), whose sum is σ = 87410064. Its totient is φ = 86369136.

The previous prime is 86889581. The next prime is 86889613. The reversal of 86889599 is 99598868.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 86889599 - 2¹⁶ = 86824063 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 (86882599) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 259982 + ... + 260315.

It is an arithmetic number, because the mean of its divisors is an integer number (21852516).

Almost surely, 2^86889599 is an apocalyptic number.

86889599 is a deficient number, since it is larger than the sum of its proper divisors (520465).

86889599 is a wasteful number, since it uses less digits than its factorization.

86889599 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 520464.

The product of its digits is 11197440, while the sum is 62.

The square root of 86889599 is about 9321.4590596108. The cubic root of 86889599 is about 442.9172529130.

The spelling of 86889599 in words is "eighty-six million, eight hundred eighty-nine thousand, five hundred ninety-nine".