9999000827 has 2 divisors, whose sum is σ = 9999000828. Its totient is φ = 9999000826.

The previous prime is 9999000797. The next prime is 9999000833. The reversal of 9999000827 is 7280009999.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 9999000827 - 2²⁴ = 9982223611 is a prime.

It is not a weakly prime, because it can be changed into another prime (9999005827) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4999500413 + 4999500414.

It is an arithmetic number, because the mean of its divisors is an integer number (4999500414).

Almost surely, 2^9999000827 is an apocalyptic number.

9999000827 is a deficient number, since it is larger than the sum of its proper divisors (1).

9999000827 is an equidigital number, since it uses as much as digits as its factorization.

9999000827 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 734832, while the sum is 53.

The square root of 9999000827 is about 99995.0040102004. The cubic root of 9999000827 is about 2154.3629325428.

The spelling of 9999000827 in words is "nine billion, nine hundred ninety-nine million, eight hundred twenty-seven", and thus it is an aban number.