8668656297 has 36 divisors (see below), whose sum is σ = 14573098800. Its totient is φ = 4951002672.

The previous prime is 8668656239. The next prime is 8668656317. The reversal of 8668656297 is 7926568668.

8668656297 is a `hidden beast` number, since 8 + 6 + 68 + 6 + 562 + 9 + 7 = 666.

It is not a de Polignac number, because 8668656297 - 2¹¹ = 8668654249 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (63).

It is not an unprimeable number, because it can be changed into a prime (8668656497) 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 in 35 ways as a sum of consecutive naturals, for example, 1186618 + ... + 1193900.

It is an arithmetic number, because the mean of its divisors is an integer number (404808300).

Almost surely, 2^8668656297 is an apocalyptic number.

It is an amenable number.

8668656297 is a deficient number, since it is larger than the sum of its proper divisors (5904442503).

8668656297 is a wasteful number, since it uses less digits than its factorization.

8668656297 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10002 (or 9992 counting only the distinct ones).

The product of its digits is 52254720, while the sum is 63.

The square root of 8668656297 is about 93105.6190409580. The cubic root of 8668656297 is about 2054.2372241446.

The spelling of 8668656297 in words is "eight billion, six hundred sixty-eight million, six hundred fifty-six thousand, two hundred ninety-seven".