8145788570 has 16 divisors (see below), whose sum is σ = 15020040168. Its totient is φ = 3178844160.

The previous prime is 8145788557. The next prime is 8145788579. The reversal of 8145788570 is 758875418.

It can be written as a sum of positive squares in 4 ways, for example, as 3391548169 + 4754240401 = 58237^2 + 68951^2 .

It is not an unprimeable number, because it can be changed into a prime (8145788579) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9933479 + ... + 9934298.

Almost surely, 2^8145788570 is an apocalyptic number.

8145788570 is a deficient number, since it is larger than the sum of its proper divisors (6874251598).

8145788570 is a wasteful number, since it uses less digits than its factorization.

8145788570 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19867825.

The product of its (nonzero) digits is 2508800, while the sum is 53.

The square root of 8145788570 is about 90254.0224588356. The cubic root of 8145788570 is about 2012.0759860279.

The spelling of 8145788570 in words is "eight billion, one hundred forty-five million, seven hundred eighty-eight thousand, five hundred seventy".