83806206812330 has 16 divisors (see below), whose sum is σ = 151147539996840. Its totient is φ = 33456623228352.

The previous prime is 83806206812291. The next prime is 83806206812381. The reversal of 83806206812330 is 3321860260838.

It is a Cunningham number, because it is equal to 9154573²+1.

It can be written as a sum of positive squares in 4 ways, for example, as 68150027621809 + 15656179190521 = 8255303^2 + 3956789^2 .

It is a Curzon number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8232431729 + ... + 8232441908.

Almost surely, 2^{83806206812330} is an apocalyptic number.

83806206812330 is a deficient number, since it is larger than the sum of its proper divisors (67341333184510).

83806206812330 is a wasteful number, since it uses less digits than its factorization.

83806206812330 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16464874153.

The product of its (nonzero) digits is 1990656, while the sum is 50.

The spelling of 83806206812330 in words is "eighty-three trillion, eight hundred six billion, two hundred six million, eight hundred twelve thousand, three hundred thirty".