8728116841 has 4 divisors (see below), whose sum is σ = 8728381012. Its totient is φ = 8727852672.

The previous prime is 8728116809. The next prime is 8728116869. The reversal of 8728116841 is 1486118278.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 5945026816 + 2783090025 = 77104^2 + 52755^2 .

It is a cyclic number.

It is not a de Polignac number, because 8728116841 - 2⁵ = 8728116809 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 8728116791 and 8728116800.

It is not an unprimeable number, because it can be changed into a prime (8728116041) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 74016 + ... + 151441.

It is an arithmetic number, because the mean of its divisors is an integer number (2182095253).

Almost surely, 2^8728116841 is an apocalyptic number.

It is an amenable number.

8728116841 is a deficient number, since it is larger than the sum of its proper divisors (264171).

8728116841 is a wasteful number, since it uses less digits than its factorization.

8728116841 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 264170.

The product of its digits is 172032, while the sum is 46.

The square root of 8728116841 is about 93424.3910389573. The cubic root of 8728116841 is about 2058.9233731465.

The spelling of 8728116841 in words is "eight billion, seven hundred twenty-eight million, one hundred sixteen thousand, eight hundred forty-one".