8120806833 has 16 divisors (see below), whose sum is σ = 10866769920. Its totient is φ = 5394387024.

The previous prime is 8120806807. The next prime is 8120806843. The reversal of 8120806833 is 3386080218.

It is not a de Polignac number, because 8120806833 - 2⁵ = 8120806801 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 8120806791 and 8120806800.

It is not an unprimeable number, because it can be changed into a prime (8120806843) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1402338 + ... + 1408116.

It is an arithmetic number, because the mean of its divisors is an integer number (679173120).

Almost surely, 2^8120806833 is an apocalyptic number.

It is an amenable number.

8120806833 is a deficient number, since it is larger than the sum of its proper divisors (2745963087).

8120806833 is a wasteful number, since it uses less digits than its factorization.

8120806833 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7388.

The product of its (nonzero) digits is 55296, while the sum is 39.

The square root of 8120806833 is about 90115.5193792945. The cubic root of 8120806833 is about 2010.0169823569.

The spelling of 8120806833 in words is "eight billion, one hundred twenty million, eight hundred six thousand, eight hundred thirty-three".