8280810561 has 8 divisors (see below), whose sum is σ = 11104902720. Its totient is φ = 5488629392.

The previous prime is 8280810521. The next prime is 8280810563. The reversal of 8280810561 is 1650180828.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 8280810561 - 2¹⁴ = 8280794177 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (8280810563) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7977141 + ... + 7978178.

It is an arithmetic number, because the mean of its divisors is an integer number (1388112840).

Almost surely, 2^8280810561 is an apocalyptic number.

It is an amenable number.

8280810561 is a deficient number, since it is larger than the sum of its proper divisors (2824092159).

8280810561 is a wasteful number, since it uses less digits than its factorization.

8280810561 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15955495.

The product of its (nonzero) digits is 30720, while the sum is 39.

The square root of 8280810561 is about 90998.9591204207. The cubic root of 8280810561 is about 2023.1322969876.

The spelling of 8280810561 in words is "eight billion, two hundred eighty million, eight hundred ten thousand, five hundred sixty-one".