98898889819 has 2 divisors, whose sum is σ = 98898889820. Its totient is φ = 98898889818.

The previous prime is 98898889781. The next prime is 98898889861. The reversal of 98898889819 is 91898889889.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 98898889819 - 2¹¹ = 98898887771 is a prime.

It is a super-2 number, since 2×98898889819² (a number of 23 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (98890889819) 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, 49449444909 + 49449444910.

It is an arithmetic number, because the mean of its divisors is an integer number (49449444910).

Almost surely, 2^98898889819 is an apocalyptic number.

98898889819 is a deficient number, since it is larger than the sum of its proper divisors (1).

98898889819 is an equidigital number, since it uses as much as digits as its factorization.

98898889819 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1719926784, while the sum is 85.

The spelling of 98898889819 in words is "ninety-eight billion, eight hundred ninety-eight million, eight hundred eighty-nine thousand, eight hundred nineteen".