99899789903 has 2 divisors, whose sum is σ = 99899789904. Its totient is φ = 99899789902.

The previous prime is 99899789887. The next prime is 99899789933. The reversal of 99899789903 is 30998799899.

It is a weak prime.

It is an emirp because it is prime and its reverse (30998799899) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 99899789903 - 2⁴ = 99899789887 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (99899789933) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 49949894951 + 49949894952.

It is an arithmetic number, because the mean of its divisors is an integer number (49949894952).

Almost surely, 2^99899789903 is an apocalyptic number.

99899789903 is a deficient number, since it is larger than the sum of its proper divisors (1).

99899789903 is an equidigital number, since it uses as much as digits as its factorization.

99899789903 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 714256704, while the sum is 80.

The spelling of 99899789903 in words is "ninety-nine billion, eight hundred ninety-nine million, seven hundred eighty-nine thousand, nine hundred three".