89130917 has 2 divisors, whose sum is σ = 89130918. Its totient is φ = 89130916.

The previous prime is 89130913. The next prime is 89130929. The reversal of 89130917 is 71903198.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 62236321 + 26894596 = 7889^2 + 5186^2 .

It is a cyclic number.

It is not a de Polignac number, because 89130917 - 2² = 89130913 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (89130913) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 44565458 + 44565459.

It is an arithmetic number, because the mean of its divisors is an integer number (44565459).

Almost surely, 2^89130917 is an apocalyptic number.

It is an amenable number.

89130917 is a deficient number, since it is larger than the sum of its proper divisors (1).

89130917 is an equidigital number, since it uses as much as digits as its factorization.

89130917 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 13608, while the sum is 38.

The square root of 89130917 is about 9440.9171694280. The cubic root of 89130917 is about 446.6933202951.

The spelling of 89130917 in words is "eighty-nine million, one hundred thirty thousand, nine hundred seventeen".