8645234797 has 2 divisors, whose sum is σ = 8645234798. Its totient is φ = 8645234796.

The previous prime is 8645234743. The next prime is 8645234869. The reversal of 8645234797 is 7974325468.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 8142174756 + 503060041 = 90234^2 + 22429^2 .

It is a cyclic number.

It is not a de Polignac number, because 8645234797 - 2²⁷ = 8511017069 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (8645234737) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4322617398 + 4322617399.

It is an arithmetic number, because the mean of its divisors is an integer number (4322617399).

Almost surely, 2^8645234797 is an apocalyptic number.

It is an amenable number.

8645234797 is a deficient number, since it is larger than the sum of its proper divisors (1).

8645234797 is an equidigital number, since it uses as much as digits as its factorization.

8645234797 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 10160640, while the sum is 55.

The square root of 8645234797 is about 92979.7547695196. The cubic root of 8645234797 is about 2052.3854679447.

The spelling of 8645234797 in words is "eight billion, six hundred forty-five million, two hundred thirty-four thousand, seven hundred ninety-seven".