89548709 has 2 divisors, whose sum is σ = 89548710. Its totient is φ = 89548708.

The previous prime is 89548663. The next prime is 89548757. The reversal of 89548709 is 90784598.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 84235684 + 5313025 = 9178^2 + 2305^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-89548709 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (89548609) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 44774354 + 44774355.

It is an arithmetic number, because the mean of its divisors is an integer number (44774355).

Almost surely, 2^89548709 is an apocalyptic number.

It is an amenable number.

89548709 is a deficient number, since it is larger than the sum of its proper divisors (1).

89548709 is an equidigital number, since it uses as much as digits as its factorization.

89548709 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 725760, while the sum is 50.

The square root of 89548709 is about 9463.0179646876. The cubic root of 89548709 is about 447.3901756023.

The spelling of 89548709 in words is "eighty-nine million, five hundred forty-eight thousand, seven hundred nine".