8817085573 has 2 divisors, whose sum is σ = 8817085574. Its totient is φ = 8817085572.

The previous prime is 8817085559. The next prime is 8817085591. The reversal of 8817085573 is 3755807188.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 8314339489 + 502746084 = 91183^2 + 22422^2 .

It is a cyclic number.

It is not a de Polignac number, because 8817085573 - 2⁹ = 8817085061 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 8817085573.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (8817085523) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4408542786 + 4408542787.

It is an arithmetic number, because the mean of its divisors is an integer number (4408542787).

Almost surely, 2^8817085573 is an apocalyptic number.

It is an amenable number.

8817085573 is a deficient number, since it is larger than the sum of its proper divisors (1).

8817085573 is an equidigital number, since it uses as much as digits as its factorization.

8817085573 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1881600, while the sum is 52.

The square root of 8817085573 is about 93899.3374470768. The cubic root of 8817085573 is about 2065.8955108502.

The spelling of 8817085573 in words is "eight billion, eight hundred seventeen million, eighty-five thousand, five hundred seventy-three".