8209084816 has 15 divisors (see below), whose sum is σ = 15905804043. Its totient is φ = 4104361200.

The previous prime is 8209084787. The next prime is 8209084847. The reversal of 8209084816 is 6184809028.

The square root of 8209084816 is 90604.

It is a perfect power (a square), and thus also a powerful number.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 351091 + ... + 373741.

Almost surely, 2^8209084816 is an apocalyptic number.

8209084816 is the 90604-th square number.

It is an amenable number.

8209084816 is a deficient number, since it is larger than the sum of its proper divisors (7696719227).

8209084816 is an frugal number, since it uses more digits than its factorization.

8209084816 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 45310 (or 22653 counting only the distinct ones).

The product of its (nonzero) digits is 221184, while the sum is 46.

The cubic root of 8209084816 is about 2017.2741077258.

The spelling of 8209084816 in words is "eight billion, two hundred nine million, eighty-four thousand, eight hundred sixteen".