8817085572 has 12 divisors (see below), whose sum is σ = 20573199696. Its totient is φ = 2939028520.

The previous prime is 8817085559. The next prime is 8817085573. The reversal of 8817085572 is 2755807188.

It is a tau number, because it is divible by the number of its divisors (12).

It is not an unprimeable number, because it can be changed into a prime (8817085573) 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 in 3 ways as a sum of consecutive naturals, for example, 367378554 + ... + 367378577.

It is an arithmetic number, because the mean of its divisors is an integer number (1714433308).

Almost surely, 2^8817085572 is an apocalyptic number.

It is an amenable number.

8817085572 is an abundant number, since it is smaller than the sum of its proper divisors (11756114124).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

8817085572 is a wasteful number, since it uses less digits than its factorization.

8817085572 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 734757138 (or 734757136 counting only the distinct ones).

The product of its (nonzero) digits is 1254400, while the sum is 51.

The square root of 8817085572 is about 93899.3374417520. The cubic root of 8817085572 is about 2065.8955107721.

The spelling of 8817085572 in words is "eight billion, eight hundred seventeen million, eighty-five thousand, five hundred seventy-two".