89366666 has 4 divisors (see below), whose sum is σ = 134050002. Its totient is φ = 44683332.

The previous prime is 89366623. The next prime is 89366687. The reversal of 89366666 is 66666398.

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

It can be written as a sum of positive squares in only one way, i.e., 78836641 + 10530025 = 8879^2 + 3245^2 .

It is a Curzon number.

It is an unprimeable number.

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 as a sum of consecutive naturals, namely, 22341665 + ... + 22341668.

Almost surely, 2^89366666 is an apocalyptic number.

89366666 is a deficient number, since it is larger than the sum of its proper divisors (44683336).

89366666 is a wasteful number, since it uses less digits than its factorization.

89366666 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 44683335.

The product of its digits is 1679616, while the sum is 50.

The square root of 89366666 is about 9453.3944168219. The cubic root of 89366666 is about 447.0868043897.

The spelling of 89366666 in words is "eighty-nine million, three hundred sixty-six thousand, six hundred sixty-six".