8280816009 has 8 divisors (see below), whose sum is σ = 11048519040. Its totient is φ = 5516828496.

The previous prime is 8280815947. The next prime is 8280816013. The reversal of 8280816009 is 9006180828.

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

It is not a de Polignac number, because 8280816009 - 2¹³ = 8280807817 is a prime.

It is not an unprimeable number, because it can be changed into a prime (8280816029) 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, 923674 + ... + 932595.

It is an arithmetic number, because the mean of its divisors is an integer number (1381064880).

Almost surely, 2^8280816009 is an apocalyptic number.

It is an amenable number.

8280816009 is a deficient number, since it is larger than the sum of its proper divisors (2767703031).

8280816009 is a wasteful number, since it uses less digits than its factorization.

8280816009 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1857759.

The product of its (nonzero) digits is 55296, while the sum is 42.

The square root of 8280816009 is about 90998.9890548241. The cubic root of 8280816009 is about 2023.1327406649.

The spelling of 8280816009 in words is "eight billion, two hundred eighty million, eight hundred sixteen thousand, nine".