89666633 has 8 divisors (see below), whose sum is σ = 102636480. Its totient is φ = 76736880.

The previous prime is 89666623. The next prime is 89666639. The reversal of 89666633 is 33666698.

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 89666633 - 2⁴ = 89666617 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (89666639) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5063 + ... + 14316.

It is an arithmetic number, because the mean of its divisors is an integer number (12829560).

Almost surely, 2^89666633 is an apocalyptic number.

It is an amenable number.

89666633 is a deficient number, since it is larger than the sum of its proper divisors (12969847).

89666633 is a wasteful number, since it uses less digits than its factorization.

89666633 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20047.

The product of its digits is 839808, while the sum is 47.

The square root of 89666633 is about 9469.2466965435. The cubic root of 89666633 is about 447.5864743471.

The spelling of 89666633 in words is "eighty-nine million, six hundred sixty-six thousand, six hundred thirty-three".