89189671 has 2 divisors, whose sum is σ = 89189672. Its totient is φ = 89189670.

The previous prime is 89189669. The next prime is 89189677. The reversal of 89189671 is 17698198.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 89189671 - 2¹ = 89189669 is a prime.

Together with 89189669, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (89189677) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 44594835 + 44594836.

It is an arithmetic number, because the mean of its divisors is an integer number (44594836).

Almost surely, 2^89189671 is an apocalyptic number.

89189671 is a deficient number, since it is larger than the sum of its proper divisors (1).

89189671 is an equidigital number, since it uses as much as digits as its factorization.

89189671 is an evil number, because the sum of its binary digits is even.

The product of its digits is 217728, while the sum is 49.

The square root of 89189671 is about 9444.0283248199. The cubic root of 89189671 is about 446.7914503100.

The spelling of 89189671 in words is "eighty-nine million, one hundred eighty-nine thousand, six hundred seventy-one".