8861881804073 has 16 divisors (see below), whose sum is σ = 9125540970000. Its totient is φ = 8599497311232.

The previous prime is 8861881804063. The next prime is 8861881804109. The reversal of 8861881804073 is 3704081881688.

It can be written as a sum of positive squares in 8 ways, for example, as 1624877935849 + 7237003868224 = 1274707^2 + 2690168^2 .

It is a cyclic number.

It is not a de Polignac number, because 8861881804073 - 2²⁴ = 8861865026857 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 8861881803997 and 8861881804015.

It is not an unprimeable number, because it can be changed into a prime (8861881804003) 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 15 ways as a sum of consecutive naturals, for example, 289125653 + ... + 289156301.

It is an arithmetic number, because the mean of its divisors is an integer number (570346310625).

Almost surely, 2^{8861881804073} is an apocalyptic number.

It is an amenable number.

8861881804073 is a deficient number, since it is larger than the sum of its proper divisors (263659165927).

8861881804073 is a wasteful number, since it uses less digits than its factorization.

8861881804073 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 51164.

The product of its (nonzero) digits is 16515072, while the sum is 62.

The spelling of 8861881804073 in words is "eight trillion, eight hundred sixty-one billion, eight hundred eighty-one million, eight hundred four thousand, seventy-three".