888449999 has 2 divisors, whose sum is σ = 888450000. Its totient is φ = 888449998.

The previous prime is 888449993. The next prime is 888450001. The reversal of 888449999 is 999944888.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 888449999 - 2⁸ = 888449743 is a prime.

Together with 888450001, it forms a pair of twin primes.

It is a Chen prime.

It is a zygodrome in base 10.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (888449993) 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, 444224999 + 444225000.

It is an arithmetic number, because the mean of its divisors is an integer number (444225000).

Almost surely, 2^888449999 is an apocalyptic number.

888449999 is a deficient number, since it is larger than the sum of its proper divisors (1).

888449999 is an equidigital number, since it uses as much as digits as its factorization.

888449999 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 53747712, while the sum is 68.

The square root of 888449999 is about 29806.8783840240. The cubic root of 888449999 is about 961.3414402978.

The spelling of 888449999 in words is "eight hundred eighty-eight million, four hundred forty-nine thousand, nine hundred ninety-nine".