8272871569 has 2 divisors, whose sum is σ = 8272871570. Its totient is φ = 8272871568.

The previous prime is 8272871561. The next prime is 8272871603. The reversal of 8272871569 is 9651782728.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 4467585600 + 3805285969 = 66840^2 + 61687^2 .

It is a cyclic number.

It is not a de Polignac number, because 8272871569 - 2³ = 8272871561 is a prime.

It is a super-2 number, since 2×8272871569² (a number of 21 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (8272871561) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4136435784 + 4136435785.

It is an arithmetic number, because the mean of its divisors is an integer number (4136435785).

Almost surely, 2^8272871569 is an apocalyptic number.

It is an amenable number.

8272871569 is a deficient number, since it is larger than the sum of its proper divisors (1).

8272871569 is an equidigital number, since it uses as much as digits as its factorization.

8272871569 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 3386880, while the sum is 55.

The square root of 8272871569 is about 90955.3273261110. The cubic root of 8272871569 is about 2022.4855500451.

The spelling of 8272871569 in words is "eight billion, two hundred seventy-two million, eight hundred seventy-one thousand, five hundred sixty-nine".