89163071 has 2 divisors, whose sum is σ = 89163072. Its totient is φ = 89163070.

The previous prime is 89163043. The next prime is 89163073. The reversal of 89163071 is 17036198.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 89163071 - 2¹⁸ = 88900927 is a prime.

Together with 89163073, 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 (89163073) 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, 44581535 + 44581536.

It is an arithmetic number, because the mean of its divisors is an integer number (44581536).

Almost surely, 2^89163071 is an apocalyptic number.

89163071 is a deficient number, since it is larger than the sum of its proper divisors (1).

89163071 is an equidigital number, since it uses as much as digits as its factorization.

89163071 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 9072, while the sum is 35.

The square root of 89163071 is about 9442.6199224580. The cubic root of 89163071 is about 446.7470287452.

The spelling of 89163071 in words is "eighty-nine million, one hundred sixty-three thousand, seventy-one".