98811919 has 2 divisors, whose sum is σ = 98811920. Its totient is φ = 98811918.

The previous prime is 98811901. The next prime is 98811929. The reversal of 98811919 is 91911889.

It is a strong prime.

It is an emirp because it is prime and its reverse (91911889) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 98811919 - 2¹⁷ = 98680847 is a prime.

It is a super-2 number, since 2×98811919² = 19527590672925122, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (98811929) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 49405959 + 49405960.

It is an arithmetic number, because the mean of its divisors is an integer number (49405960).

Almost surely, 2^98811919 is an apocalyptic number.

98811919 is a deficient number, since it is larger than the sum of its proper divisors (1).

98811919 is an equidigital number, since it uses as much as digits as its factorization.

98811919 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 46656, while the sum is 46.

The square root of 98811919 is about 9940.4184519566. The cubic root of 98811919 is about 462.3133606802.

The spelling of 98811919 in words is "ninety-eight million, eight hundred eleven thousand, nine hundred nineteen".