8000800817 has 2 divisors, whose sum is σ = 8000800818. Its totient is φ = 8000800816.

The previous prime is 8000800799. The next prime is 8000800867. The reversal of 8000800817 is 7180080008.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 7534413601 + 466387216 = 86801^2 + 21596^2 .

It is a cyclic number.

It is not a de Polignac number, because 8000800817 - 2¹⁴ = 8000784433 is a prime.

It is not a weakly prime, because it can be changed into another prime (8000800867) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4000400408 + 4000400409.

It is an arithmetic number, because the mean of its divisors is an integer number (4000400409).

Almost surely, 2^8000800817 is an apocalyptic number.

It is an amenable number.

8000800817 is a deficient number, since it is larger than the sum of its proper divisors (1).

8000800817 is an equidigital number, since it uses as much as digits as its factorization.

8000800817 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3584, while the sum is 32.

The square root of 8000800817 is about 89447.1956910892. The cubic root of 8000800817 is about 2000.0667325234.

The spelling of 8000800817 in words is "eight billion, eight hundred thousand, eight hundred seventeen".