89945171 has 8 divisors (see below), whose sum is σ = 91773888. Its totient is φ = 88128000.

The previous prime is 89945161. The next prime is 89945189. The reversal of 89945171 is 17154998.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-89945171 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (89945161) 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, 13811 + ... + 19251.

It is an arithmetic number, because the mean of its divisors is an integer number (11471736).

Almost surely, 2^89945171 is an apocalyptic number.

89945171 is a deficient number, since it is larger than the sum of its proper divisors (1828717).

89945171 is a wasteful number, since it uses less digits than its factorization.

89945171 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5773.

The product of its digits is 90720, while the sum is 44.

The square root of 89945171 is about 9483.9427982248. The cubic root of 89945171 is about 448.0494521171.

The spelling of 89945171 in words is "eighty-nine million, nine hundred forty-five thousand, one hundred seventy-one".