83204729105 has 4 divisors (see below), whose sum is σ = 99845674932. Its totient is φ = 66563783280.

The previous prime is 83204729077. The next prime is 83204729119. The reversal of 83204729105 is 50192740238.

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 25431318784 + 57773410321 = 159472^2 + 240361^2 .

It is not a de Polignac number, because 83204729105 - 2¹⁰ = 83204728081 is a prime.

It is a Duffinian number.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 8320472906 + ... + 8320472915.

It is an arithmetic number, because the mean of its divisors is an integer number (24961418733).

Almost surely, 2^83204729105 is an apocalyptic number.

It is an amenable number.

83204729105 is a deficient number, since it is larger than the sum of its proper divisors (16640945827).

83204729105 is a wasteful number, since it uses less digits than its factorization.

83204729105 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16640945826.

The product of its (nonzero) digits is 120960, while the sum is 41.

The spelling of 83204729105 in words is "eighty-three billion, two hundred four million, seven hundred twenty-nine thousand, one hundred five".