89558971 has 2 divisors, whose sum is σ = 89558972. Its totient is φ = 89558970.

The previous prime is 89558947. The next prime is 89558993. The reversal of 89558971 is 17985598.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 89558971 - 2¹⁹ = 89034683 is a prime.

It is not a weakly prime, because it can be changed into another prime (89558921) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 44779485 + 44779486.

It is an arithmetic number, because the mean of its divisors is an integer number (44779486).

Almost surely, 2^89558971 is an apocalyptic number.

89558971 is a deficient number, since it is larger than the sum of its proper divisors (1).

89558971 is an equidigital number, since it uses as much as digits as its factorization.

89558971 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 907200, while the sum is 52.

The square root of 89558971 is about 9463.5601651810. The cubic root of 89558971 is about 447.4072647846.

The spelling of 89558971 in words is "eighty-nine million, five hundred fifty-eight thousand, nine hundred seventy-one".