8808218999 has 2 divisors, whose sum is σ = 8808219000. Its totient is φ = 8808218998.

The previous prime is 8808218977. The next prime is 8808219023. The reversal of 8808218999 is 9998128088.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 8808218999 - 2¹² = 8808214903 is a prime.

It is a Sophie Germain prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (8808218399) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4404109499 + 4404109500.

It is an arithmetic number, because the mean of its divisors is an integer number (4404109500).

Almost surely, 2^8808218999 is an apocalyptic number.

8808218999 is a deficient number, since it is larger than the sum of its proper divisors (1).

8808218999 is an equidigital number, since it uses as much as digits as its factorization.

8808218999 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 5971968, while the sum is 62.

The square root of 8808218999 is about 93852.1123843252. The cubic root of 8808218999 is about 2065.2027816114.

The spelling of 8808218999 in words is "eight billion, eight hundred eight million, two hundred eighteen thousand, nine hundred ninety-nine".