8196359805 has 12 divisors (see below), whose sum is σ = 14207023740. Its totient is φ = 4371391872.

The previous prime is 8196359797. The next prime is 8196359819. The reversal of 8196359805 is 5089536918.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 1353430521 + 6842929284 = 36789^2 + 82722^2 .

It is not a de Polignac number, because 8196359805 - 2³ = 8196359797 is a prime.

It is a congruent number.

It is an unprimeable number.

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 11 ways as a sum of consecutive naturals, for example, 91070620 + ... + 91070709.

It is an arithmetic number, because the mean of its divisors is an integer number (1183918645).

Almost surely, 2^8196359805 is an apocalyptic number.

It is an amenable number.

8196359805 is a deficient number, since it is larger than the sum of its proper divisors (6010663935).

8196359805 is a wasteful number, since it uses less digits than its factorization.

8196359805 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 182141340 (or 182141337 counting only the distinct ones).

The product of its (nonzero) digits is 2332800, while the sum is 54.

The square root of 8196359805 is about 90533.7495357394. The cubic root of 8196359805 is about 2016.2312342534.

The spelling of 8196359805 in words is "eight billion, one hundred ninety-six million, three hundred fifty-nine thousand, eight hundred five".