8686799243 has 2 divisors, whose sum is σ = 8686799244. Its totient is φ = 8686799242.

The previous prime is 8686799203. The next prime is 8686799293. The reversal of 8686799243 is 3429976868.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 8686799243 - 2¹² = 8686795147 is a prime.

It is not a weakly prime, because it can be changed into another prime (8686799203) 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, 4343399621 + 4343399622.

It is an arithmetic number, because the mean of its divisors is an integer number (4343399622).

Almost surely, 2^8686799243 is an apocalyptic number.

8686799243 is a deficient number, since it is larger than the sum of its proper divisors (1).

8686799243 is an equidigital number, since it uses as much as digits as its factorization.

8686799243 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 31352832, while the sum is 62.

The square root of 8686799243 is about 93203.0001823976. Note that the first 3 decimals coincide. The cubic root of 8686799243 is about 2055.6693547524.

The spelling of 8686799243 in words is "eight billion, six hundred eighty-six million, seven hundred ninety-nine thousand, two hundred forty-three".