89181197 has 8 divisors (see below), whose sum is σ = 102178752. Its totient is φ = 76248000.

The previous prime is 89181179. The next prime is 89181241. The reversal of 89181197 is 79118198.

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 89181197 - 2¹⁰ = 89180173 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 (89181997) by changing a digit.

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 in 7 ways as a sum of consecutive naturals, for example, 13079 + ... + 18692.

It is an arithmetic number, because the mean of its divisors is an integer number (12772344).

Almost surely, 2^89181197 is an apocalyptic number.

It is an amenable number.

89181197 is a deficient number, since it is larger than the sum of its proper divisors (12997555).

89181197 is a wasteful number, since it uses less digits than its factorization.

89181197 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32179.

The product of its digits is 36288, while the sum is 44.

The square root of 89181197 is about 9443.5796708663. The cubic root of 89181197 is about 446.7772998274. Note that the first 3 decimals are identical.

The spelling of 89181197 in words is "eighty-nine million, one hundred eighty-one thousand, one hundred ninety-seven".