89181359 has 8 divisors (see below), whose sum is σ = 91751760. Its totient is φ = 86619456.

The previous prime is 89181349. The next prime is 89181361. The reversal of 89181359 is 95318198.

It is a happy number.

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 89181359 - 2⁴ = 89181343 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (89181349) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 23507 + ... + 27035.

It is an arithmetic number, because the mean of its divisors is an integer number (11468970).

Almost surely, 2^89181359 is an apocalyptic number.

89181359 is a deficient number, since it is larger than the sum of its proper divisors (2570401).

89181359 is a wasteful number, since it uses less digits than its factorization.

89181359 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4249.

The product of its digits is 77760, while the sum is 44.

The square root of 89181359 is about 9443.5882481184. The cubic root of 89181359 is about 446.7775703549. Note that the first 3 decimals are identical.

The spelling of 89181359 in words is "eighty-nine million, one hundred eighty-one thousand, three hundred fifty-nine".