8974907281 has 2 divisors, whose sum is σ = 8974907282. Its totient is φ = 8974907280.

The previous prime is 8974907233. The next prime is 8974907323. The reversal of 8974907281 is 1827094798.

It is a happy number.

8974907281 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 8007386256 + 967521025 = 89484^2 + 31105^2 .

It is a cyclic number.

It is not a de Polignac number, because 8974907281 - 2⁹ = 8974906769 is a prime.

It is a super-2 number, since 2×8974907281² (a number of 21 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (8974907881) 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 as a sum of consecutive naturals, namely, 4487453640 + 4487453641.

It is an arithmetic number, because the mean of its divisors is an integer number (4487453641).

Almost surely, 2^8974907281 is an apocalyptic number.

It is an amenable number.

8974907281 is a deficient number, since it is larger than the sum of its proper divisors (1).

8974907281 is an equidigital number, since it uses as much as digits as its factorization.

8974907281 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2032128, while the sum is 55.

The square root of 8974907281 is about 94735.9872540525. The cubic root of 8974907281 is about 2078.1488770501.

The spelling of 8974907281 in words is "eight billion, nine hundred seventy-four million, nine hundred seven thousand, two hundred eighty-one".