89566738 has 16 divisors (see below), whose sum is σ = 141440256. Its totient is φ = 42454720.

The previous prime is 89566733. The next prime is 89566753. The reversal of 89566738 is 83766598.

It is not an unprimeable number, because it can be changed into a prime (89566733) 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, 3418 + ... + 13813.

It is an arithmetic number, because the mean of its divisors is an integer number (8840016).

Almost surely, 2^89566738 is an apocalyptic number.

89566738 is a deficient number, since it is larger than the sum of its proper divisors (51873518).

89566738 is a wasteful number, since it uses less digits than its factorization.

89566738 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17369.

The product of its digits is 2177280, while the sum is 52.

The square root of 89566738 is about 9463.9705198188. The cubic root of 89566738 is about 447.4201982061.

The spelling of 89566738 in words is "eighty-nine million, five hundred sixty-six thousand, seven hundred thirty-eight".