8200768129 has 2 divisors, whose sum is σ = 8200768130. Its totient is φ = 8200768128.

The previous prime is 8200768123. The next prime is 8200768157. The reversal of 8200768129 is 9218670028.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 6706791025 + 1493977104 = 81895^2 + 38652^2 .

It is a cyclic number.

It is not a de Polignac number, because 8200768129 - 2⁷ = 8200768001 is a prime.

It is not a weakly prime, because it can be changed into another prime (8200768123) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4100384064 + 4100384065.

It is an arithmetic number, because the mean of its divisors is an integer number (4100384065).

Almost surely, 2^8200768129 is an apocalyptic number.

It is an amenable number.

8200768129 is a deficient number, since it is larger than the sum of its proper divisors (1).

8200768129 is an equidigital number, since it uses as much as digits as its factorization.

8200768129 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 96768, while the sum is 43.

The square root of 8200768129 is about 90558.0925649387. The cubic root of 8200768129 is about 2016.5926388994.

The spelling of 8200768129 in words is "eight billion, two hundred million, seven hundred sixty-eight thousand, one hundred twenty-nine".