999079259 has 2 divisors, whose sum is σ = 999079260. Its totient is φ = 999079258.

The previous prime is 999079189. The next prime is 999079321. The reversal of 999079259 is 952970999.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 999079259 - 2¹² = 999075163 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 999079198 and 999079207.

It is not a weakly prime, because it can be changed into another prime (999079559) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 499539629 + 499539630.

It is an arithmetic number, because the mean of its divisors is an integer number (499539630).

Almost surely, 2^999079259 is an apocalyptic number.

999079259 is a deficient number, since it is larger than the sum of its proper divisors (1).

999079259 is an equidigital number, since it uses as much as digits as its factorization.

999079259 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 4133430, while the sum is 59.

The square root of 999079259 is about 31608.2150555833. The cubic root of 999079259 is about 999.6929920891.

The spelling of 999079259 in words is "nine hundred ninety-nine million, seventy-nine thousand, two hundred fifty-nine".