80833098861 has 6 divisors (see below), whose sum is σ = 116758920590. Its totient is φ = 53888732568.

The previous prime is 80833098833. The next prime is 80833098869. The reversal of 80833098861 is 16889033808.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 79823765961 + 1009332900 = 282531^2 + 31770^2 .

It is not a de Polignac number, because 80833098861 - 2⁷ = 80833098733 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 80833098798 and 80833098807.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (80833098869) by changing a digit.

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 5 ways as a sum of consecutive naturals, for example, 4490727706 + ... + 4490727723.

Almost surely, 2^80833098861 is an apocalyptic number.

It is an amenable number.

80833098861 is a deficient number, since it is larger than the sum of its proper divisors (35925821729).

80833098861 is a wasteful number, since it uses less digits than its factorization.

80833098861 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8981455435 (or 8981455432 counting only the distinct ones).

The product of its (nonzero) digits is 1990656, while the sum is 54.

The spelling of 80833098861 in words is "eighty billion, eight hundred thirty-three million, ninety-eight thousand, eight hundred sixty-one".