89912117 has 2 divisors, whose sum is σ = 89912118. Its totient is φ = 89912116.

The previous prime is 89912111. The next prime is 89912131. The reversal of 89912117 is 71121998.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 57547396 + 32364721 = 7586^2 + 5689^2 .

It is a cyclic number.

It is not a de Polignac number, because 89912117 - 2⁴ = 89912101 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (89912111) 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, 44956058 + 44956059.

It is an arithmetic number, because the mean of its divisors is an integer number (44956059).

Almost surely, 2^89912117 is an apocalyptic number.

It is an amenable number.

89912117 is a deficient number, since it is larger than the sum of its proper divisors (1).

89912117 is an equidigital number, since it uses as much as digits as its factorization.

89912117 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 9072, while the sum is 38.

The square root of 89912117 is about 9482.2000084369. The cubic root of 89912117 is about 447.9945607466.

The spelling of 89912117 in words is "eighty-nine million, nine hundred twelve thousand, one hundred seventeen".