83608582213 has 4 divisors (see below), whose sum is σ = 90040011628. Its totient is φ = 77177152800.

The previous prime is 83608582111. The next prime is 83608582237. The reversal of 83608582213 is 31228580638.

It is a happy number.

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 7450797124 + 76157785089 = 86318^2 + 275967^2 .

It is a cyclic number.

It is not a de Polignac number, because 83608582213 - 2³³ = 75018647621 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (83608582513) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3215714688 + ... + 3215714713.

It is an arithmetic number, because the mean of its divisors is an integer number (22510002907).

Almost surely, 2^83608582213 is an apocalyptic number.

It is an amenable number.

83608582213 is a deficient number, since it is larger than the sum of its proper divisors (6431429415).

83608582213 is a wasteful number, since it uses less digits than its factorization.

83608582213 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6431429414.

The product of its (nonzero) digits is 552960, while the sum is 46.

The spelling of 83608582213 in words is "eighty-three billion, six hundred eight million, five hundred eighty-two thousand, two hundred thirteen".