999822435907 has 2 divisors, whose sum is σ = 999822435908. Its totient is φ = 999822435906.

The previous prime is 999822435839. The next prime is 999822435971. The reversal of 999822435907 is 709534228999.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-999822435907 is a prime.

It is not a weakly prime, because it can be changed into another prime (999822435977) 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, 499911217953 + 499911217954.

It is an arithmetic number, because the mean of its divisors is an integer number (499911217954).

Almost surely, 2^999822435907 is an apocalyptic number.

999822435907 is a deficient number, since it is larger than the sum of its proper divisors (1).

999822435907 is an equidigital number, since it uses as much as digits as its factorization.

999822435907 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 88179840, while the sum is 67.

The spelling of 999822435907 in words is "nine hundred ninety-nine billion, eight hundred twenty-two million, four hundred thirty-five thousand, nine hundred seven".