86455889 has 8 divisors (see below), whose sum is σ = 95088000. Its totient is φ = 78106896.

The previous prime is 86455883. The next prime is 86455903. The reversal of 86455889 is 98855468.

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 86455889 - 2²⁰ = 85407313 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 86455889.

It is not an unprimeable number, because it can be changed into a prime (86455883) 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, 70139 + ... + 71360.

It is an arithmetic number, because the mean of its divisors is an integer number (11886000).

Almost surely, 2^86455889 is an apocalyptic number.

It is an amenable number.

86455889 is a deficient number, since it is larger than the sum of its proper divisors (8632111).

86455889 is a wasteful number, since it uses less digits than its factorization.

86455889 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 141559.

The product of its digits is 2764800, while the sum is 53.

The square root of 86455889 is about 9298.1658944117. The cubic root of 86455889 is about 442.1790819001.

The spelling of 86455889 in words is "eighty-six million, four hundred fifty-five thousand, eight hundred eighty-nine".