83811113 has 4 divisors (see below), whose sum is σ = 84641028. Its totient is φ = 82981200.

The previous prime is 83811107. The next prime is 83811127. The reversal of 83811113 is 31111838.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 77915929 + 5895184 = 8827^2 + 2428^2 .

It is a cyclic number.

It is not a de Polignac number, because 83811113 - 2⁴ = 83811097 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (83811163) 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 in 3 ways as a sum of consecutive naturals, for example, 414806 + ... + 415007.

It is an arithmetic number, because the mean of its divisors is an integer number (21160257).

Almost surely, 2^83811113 is an apocalyptic number.

It is an amenable number.

83811113 is a deficient number, since it is larger than the sum of its proper divisors (829915).

83811113 is a wasteful number, since it uses less digits than its factorization.

83811113 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 829914.

The product of its digits is 576, while the sum is 26.

The square root of 83811113 is about 9154.8409598420. The cubic root of 83811113 is about 437.6234000752.

The spelling of 83811113 in words is "eighty-three million, eight hundred eleven thousand, one hundred thirteen".