99814911 has 24 divisors (see below), whose sum is σ = 158425344. Its totient is φ = 55707120.

The previous prime is 99814909. The next prime is 99814921. The reversal of 99814911 is 11941899.

It is a happy number.

It is not a de Polignac number, because 99814911 - 2¹ = 99814909 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (99814901) 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 in 23 ways as a sum of consecutive naturals, for example, 1575 + ... + 14216.

It is an arithmetic number, because the mean of its divisors is an integer number (6601056).

Almost surely, 2^99814911 is an apocalyptic number.

99814911 is a deficient number, since it is larger than the sum of its proper divisors (58610433).

99814911 is a wasteful number, since it uses less digits than its factorization.

99814911 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15851 (or 15844 counting only the distinct ones).

The product of its digits is 23328, while the sum is 42.

The square root of 99814911 is about 9990.7412637902. The cubic root of 99814911 is about 463.8723374883.

The spelling of 99814911 in words is "ninety-nine million, eight hundred fourteen thousand, nine hundred eleven".