8833990673209 has 45 divisors (see below), whose sum is σ = 9821882048283. Its totient is φ = 7945340614848.

The previous prime is 8833990673159. The next prime is 8833990673257. The reversal of 8833990673209 is 9023760993388.

It is a happy number.

The square root of 8833990673209 is 2972203.

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

It can be written as a sum of positive squares in 7 ways, for example, as 6864122282809 + 1969868390400 = 2619947^2 + 1403520^2 .

It is not a de Polignac number, because 8833990673209 - 2²¹ = 8833988576057 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (8833690673209) by changing a digit.

It is a polite number, since it can be written in 44 ways as a sum of consecutive naturals, for example, 21598998997 + ... + 21598999405.

Almost surely, 2^{8833990673209} is an apocalyptic number.

8833990673209 is the 2972203-rd square number.

8833990673209 is the 1486102-nd centered octagonal number.

It is an amenable number.

8833990673209 is a deficient number, since it is larger than the sum of its proper divisors (987891375074).

8833990673209 is an frugal number, since it uses more digits than its factorization.

8833990673209 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 956 (or 465 counting only the distinct ones).

The product of its (nonzero) digits is 105815808, while the sum is 67.

The spelling of 8833990673209 in words is "eight trillion, eight hundred thirty-three billion, nine hundred ninety million, six hundred seventy-three thousand, two hundred nine".