8468297647 has 2 divisors, whose sum is σ = 8468297648. Its totient is φ = 8468297646.

The previous prime is 8468297641. The next prime is 8468297659. The reversal of 8468297647 is 7467928648.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-8468297647 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (8468297641) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4234148823 + 4234148824.

It is an arithmetic number, because the mean of its divisors is an integer number (4234148824).

Almost surely, 2^8468297647 is an apocalyptic number.

8468297647 is a deficient number, since it is larger than the sum of its proper divisors (1).

8468297647 is an equidigital number, since it uses as much as digits as its factorization.

8468297647 is an evil number, because the sum of its binary digits is even.

The product of its digits is 32514048, while the sum is 61.

The square root of 8468297647 is about 92023.3538130403. The cubic root of 8468297647 is about 2038.2871729874.

It can be divided in two parts, 84682 and 97647, that added together give a square (182329 = 427²).

The spelling of 8468297647 in words is "eight billion, four hundred sixty-eight million, two hundred ninety-seven thousand, six hundred forty-seven".