89671171 has 2 divisors, whose sum is σ = 89671172. Its totient is φ = 89671170.

The previous prime is 89671163. The next prime is 89671187. The reversal of 89671171 is 17117698.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 89671171 - 2³ = 89671163 is a prime.

It is a super-2 number, since 2×89671171² = 16081837817022482, which contains 22 as substring.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (89671111) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 44835585 + 44835586.

It is an arithmetic number, because the mean of its divisors is an integer number (44835586).

Almost surely, 2^89671171 is an apocalyptic number.

89671171 is a deficient number, since it is larger than the sum of its proper divisors (1).

89671171 is an equidigital number, since it uses as much as digits as its factorization.

89671171 is an evil number, because the sum of its binary digits is even.

The product of its digits is 21168, while the sum is 40.

The square root of 89671171 is about 9469.4863113054. The cubic root of 89671171 is about 447.5940249564.

The spelling of 89671171 in words is "eighty-nine million, six hundred seventy-one thousand, one hundred seventy-one".