8785573 has 2 divisors, whose sum is σ = 8785574. Its totient is φ = 8785572.

The previous prime is 8785571. The next prime is 8785589. The reversal of 8785573 is 3755878.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 7935489 + 850084 = 2817^2 + 922^2 .

It is a cyclic number.

It is not a de Polignac number, because 8785573 - 2¹ = 8785571 is a prime.

Together with 8785571, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (8785571) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4392786 + 4392787.

It is an arithmetic number, because the mean of its divisors is an integer number (4392787).

Almost surely, 2^8785573 is an apocalyptic number.

It is an amenable number.

8785573 is a deficient number, since it is larger than the sum of its proper divisors (1).

8785573 is an equidigital number, since it uses as much as digits as its factorization.

8785573 is an evil number, because the sum of its binary digits is even.

The product of its digits is 235200, while the sum is 43.

The square root of 8785573 is about 2964.0467270271. The cubic root of 8785573 is about 206.3431378551.

The spelling of 8785573 in words is "eight million, seven hundred eighty-five thousand, five hundred seventy-three".