8204571045 has 24 divisors (see below), whose sum is σ = 15514098912. Its totient is φ = 3977973600.

The previous prime is 8204571041. The next prime is 8204571091. The reversal of 8204571045 is 5401754028.

8204571045 is a `hidden beast` number, since 82 + 0 + 4 + 571 + 0 + 4 + 5 = 666.

It is not a de Polignac number, because 8204571045 - 2² = 8204571041 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8204571041) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 8286951 + ... + 8287940.

It is an arithmetic number, because the mean of its divisors is an integer number (646420788).

Almost surely, 2^8204571045 is an apocalyptic number.

It is an amenable number.

8204571045 is a deficient number, since it is larger than the sum of its proper divisors (7309527867).

8204571045 is a wasteful number, since it uses less digits than its factorization.

8204571045 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16574913 (or 16574910 counting only the distinct ones).

The product of its (nonzero) digits is 44800, while the sum is 36.

The square root of 8204571045 is about 90579.0872387219. The cubic root of 8204571045 is about 2016.9043067483.

The spelling of 8204571045 in words is "eight billion, two hundred four million, five hundred seventy-one thousand, forty-five".