99845311 has 2 divisors, whose sum is σ = 99845312. Its totient is φ = 99845310.

The previous prime is 99845309. The next prime is 99845329. The reversal of 99845311 is 11354899.

It is a weak prime.

It is an emirp because it is prime and its reverse (11354899) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 99845311 - 2¹ = 99845309 is a prime.

It is a super-2 number, since 2×99845311² = 19938172257373442, which contains 22 as substring.

Together with 99845309, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (99845371) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 49922655 + 49922656.

It is an arithmetic number, because the mean of its divisors is an integer number (49922656).

Almost surely, 2^99845311 is an apocalyptic number.

99845311 is a deficient number, since it is larger than the sum of its proper divisors (1).

99845311 is an equidigital number, since it uses as much as digits as its factorization.

99845311 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 38880, while the sum is 40.

The square root of 99845311 is about 9992.2625565985. The cubic root of 99845311 is about 463.9194256022.

The spelling of 99845311 in words is "ninety-nine million, eight hundred forty-five thousand, three hundred eleven".