89868665 has 8 divisors (see below), whose sum is σ = 109142208. Its totient is φ = 71028400.

The previous prime is 89868637. The next prime is 89868703. The reversal of 89868665 is 56686898.

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

It is not a de Polignac number, because 89868665 - 2¹⁰ = 89867641 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 89868665.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 107861 + ... + 108690.

It is an arithmetic number, because the mean of its divisors is an integer number (13642776).

Almost surely, 2^89868665 is an apocalyptic number.

It is an amenable number.

89868665 is a deficient number, since it is larger than the sum of its proper divisors (19273543).

89868665 is a wasteful number, since it uses less digits than its factorization.

89868665 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 216639.

The product of its digits is 4976640, while the sum is 56.

The square root of 89868665 is about 9479.9084911195. The cubic root of 89868665 is about 447.9223813897.

The spelling of 89868665 in words is "eighty-nine million, eight hundred sixty-eight thousand, six hundred sixty-five".