8684343761 has 2 divisors, whose sum is σ = 8684343762. Its totient is φ = 8684343760.

The previous prime is 8684343743. The next prime is 8684343793. The reversal of 8684343761 is 1673434868.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 7997903761 + 686440000 = 89431^2 + 26200^2 .

It is a cyclic number.

It is not a de Polignac number, because 8684343761 - 2²⁶ = 8617234897 is a prime.

It is not a weakly prime, because it can be changed into another prime (8684343721) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4342171880 + 4342171881.

It is an arithmetic number, because the mean of its divisors is an integer number (4342171881).

Almost surely, 2^8684343761 is an apocalyptic number.

It is an amenable number.

8684343761 is a deficient number, since it is larger than the sum of its proper divisors (1).

8684343761 is an equidigital number, since it uses as much as digits as its factorization.

8684343761 is an evil number, because the sum of its binary digits is even.

The product of its digits is 2322432, while the sum is 50.

The square root of 8684343761 is about 93189.8264887321. The cubic root of 8684343761 is about 2055.4756457066.

The spelling of 8684343761 in words is "eight billion, six hundred eighty-four million, three hundred forty-three thousand, seven hundred sixty-one".