89667171 has 18 divisors (see below), whose sum is σ = 142365860. Its totient is φ = 54343080.

The previous prime is 89667161. The next prime is 89667191. The reversal of 89667171 is 17176698.

It is not a de Polignac number, because 89667171 - 2⁵ = 89667139 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (89667121) by changing a digit.

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 in 17 ways as a sum of consecutive naturals, for example, 40081 + ... + 42258.

Almost surely, 2^89667171 is an apocalyptic number.

89667171 is a deficient number, since it is larger than the sum of its proper divisors (52698689).

89667171 is a wasteful number, since it uses less digits than its factorization.

89667171 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 82367 (or 82353 counting only the distinct ones).

The product of its digits is 127008, while the sum is 45.

The square root of 89667171 is about 9469.2751042516. The cubic root of 89667171 is about 447.5873695186.

The spelling of 89667171 in words is "eighty-nine million, six hundred sixty-seven thousand, one hundred seventy-one".