99888888899 has 2 divisors, whose sum is σ = 99888888900. Its totient is φ = 99888888898.

The previous prime is 99888888893. The next prime is 99888888919.

99888888899 is nontrivially palindromic in base 10.

It is a weak prime.

It is a palprime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-99888888899 is a prime.

It is a zygodrome in base 10.

It is not a weakly prime, because it can be changed into another prime (99888888893) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 49944444449 + 49944444450.

It is an arithmetic number, because the mean of its divisors is an integer number (49944444450).

Almost surely, 2^99888888899 is an apocalyptic number.

99888888899 is a deficient number, since it is larger than the sum of its proper divisors (1).

99888888899 is an equidigital number, since it uses as much as digits as its factorization.

99888888899 is an evil number, because the sum of its binary digits is even.

The product of its digits is 13759414272, while the sum is 92.

The spelling of 99888888899 in words is "ninety-nine billion, eight hundred eighty-eight million, eight hundred eighty-eight thousand, eight hundred ninety-nine".