8505326280 has 64 divisors (see below), whose sum is σ = 27835617600. Its totient is φ = 2061896960.

The previous prime is 8505326213. The next prime is 8505326281. The reversal of 8505326280 is 826235058.

It is not an unprimeable number, because it can be changed into a prime (8505326281) 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, 3220395 + ... + 3223034.

It is an arithmetic number, because the mean of its divisors is an integer number (434931525).

Almost surely, 2^8505326280 is an apocalyptic number.

It is an amenable number.

8505326280 is an abundant number, since it is smaller than the sum of its proper divisors (19330291320).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

8505326280 is a wasteful number, since it uses less digits than its factorization.

8505326280 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6443454 (or 6443450 counting only the distinct ones).

The product of its (nonzero) digits is 115200, while the sum is 39.

The square root of 8505326280 is about 92224.3258582029. The cubic root of 8505326280 is about 2041.2537372056.

The spelling of 8505326280 in words is "eight billion, five hundred five million, three hundred twenty-six thousand, two hundred eighty".