89009017 has 2 divisors, whose sum is σ = 89009018. Its totient is φ = 89009016.

The previous prime is 89009009. The next prime is 89009021. The reversal of 89009017 is 71090098.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 88284816 + 724201 = 9396^2 + 851^2 .

It is a cyclic number.

It is not a de Polignac number, because 89009017 - 2³ = 89009009 is a prime.

It is not a weakly prime, because it can be changed into another prime (89009047) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 44504508 + 44504509.

It is an arithmetic number, because the mean of its divisors is an integer number (44504509).

Almost surely, 2^89009017 is an apocalyptic number.

It is an amenable number.

89009017 is a deficient number, since it is larger than the sum of its proper divisors (1).

89009017 is an equidigital number, since it uses as much as digits as its factorization.

89009017 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 4536, while the sum is 34.

The square root of 89009017 is about 9434.4590199969. The cubic root of 89009017 is about 446.4895871791.

The spelling of 89009017 in words is "eighty-nine million, nine thousand, seventeen".