89155271 has 2 divisors, whose sum is σ = 89155272. Its totient is φ = 89155270.

The previous prime is 89155267. The next prime is 89155273. The reversal of 89155271 is 17255198.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 89155271 - 2² = 89155267 is a prime.

Together with 89155273, 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 (89155273) 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 as a sum of consecutive naturals, namely, 44577635 + 44577636.

It is an arithmetic number, because the mean of its divisors is an integer number (44577636).

Almost surely, 2^89155271 is an apocalyptic number.

89155271 is a deficient number, since it is larger than the sum of its proper divisors (1).

89155271 is an equidigital number, since it uses as much as digits as its factorization.

89155271 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 25200, while the sum is 38.

The square root of 89155271 is about 9442.2068924590. The cubic root of 89155271 is about 446.7340011976.

The spelling of 89155271 in words is "eighty-nine million, one hundred fifty-five thousand, two hundred seventy-one".