89711018 has 4 divisors (see below), whose sum is σ = 134566530. Its totient is φ = 44855508.

The previous prime is 89711009. The next prime is 89711059. The reversal of 89711018 is 81011798.

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., 60949249 + 28761769 = 7807^2 + 5363^2 .

It is a Curzon number.

It is an unprimeable number.

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 as a sum of consecutive naturals, namely, 22427753 + ... + 22427756.

Almost surely, 2^89711018 is an apocalyptic number.

89711018 is a deficient number, since it is larger than the sum of its proper divisors (44855512).

89711018 is a wasteful number, since it uses less digits than its factorization.

89711018 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 44855511.

The product of its (nonzero) digits is 4032, while the sum is 35.

The square root of 89711018 is about 9471.5900460271. The cubic root of 89711018 is about 447.6603139609.

The spelling of 89711018 in words is "eighty-nine million, seven hundred eleven thousand, eighteen".