8509083321 has 16 divisors (see below), whose sum is σ = 12033330624. Its totient is φ = 5329918464.

The previous prime is 8509083307. The next prime is 8509083383. The reversal of 8509083321 is 1233809058.

It is not a de Polignac number, because 8509083321 - 2⁹ = 8509082809 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 8509083321.

It is not an unprimeable number, because it can be changed into a prime (8509083421) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 112180 + ... + 172053.

It is an arithmetic number, because the mean of its divisors is an integer number (752083164).

Almost surely, 2^8509083321 is an apocalyptic number.

It is an amenable number.

8509083321 is a deficient number, since it is larger than the sum of its proper divisors (3524247303).

8509083321 is a wasteful number, since it uses less digits than its factorization.

8509083321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 284840.

The product of its (nonzero) digits is 51840, while the sum is 39.

The square root of 8509083321 is about 92244.6926440757. The cubic root of 8509083321 is about 2041.5542526235.

The spelling of 8509083321 in words is "eight billion, five hundred nine million, eighty-three thousand, three hundred twenty-one".