89537918 has 16 divisors (see below), whose sum is σ = 141840720. Its totient is φ = 42273216.

The previous prime is 89537909. The next prime is 89537927. The reversal of 89537918 is 81973598.

It is an interprime number because it is at equal distance from previous prime (89537909) and next prime (89537927).

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8330 + ... + 15762.

It is an arithmetic number, because the mean of its divisors is an integer number (8865045).

Almost surely, 2^89537918 is an apocalyptic number.

89537918 is a deficient number, since it is larger than the sum of its proper divisors (52302802).

89537918 is a wasteful number, since it uses less digits than its factorization.

89537918 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7771.

The product of its digits is 544320, while the sum is 50.

The square root of 89537918 is about 9462.4477805693. The cubic root of 89537918 is about 447.3722040746.

The spelling of 89537918 in words is "eighty-nine million, five hundred thirty-seven thousand, nine hundred eighteen".