8173998633 has 16 divisors (see below), whose sum is σ = 11546058816. Its totient is φ = 5125985280.

The previous prime is 8173998601. The next prime is 8173998641. The reversal of 8173998633 is 3368993718.

It is not a de Polignac number, because 8173998633 - 2⁵ = 8173998601 is a prime.

It is not an unprimeable number, because it can be changed into a prime (8173998673) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 52738 + ... + 138308.

It is an arithmetic number, because the mean of its divisors is an integer number (721628676).

Almost surely, 2^8173998633 is an apocalyptic number.

It is an amenable number.

8173998633 is a deficient number, since it is larger than the sum of its proper divisors (3372060183).

8173998633 is a wasteful number, since it uses less digits than its factorization.

8173998633 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 87464.

The product of its digits is 5878656, while the sum is 57.

The square root of 8173998633 is about 90410.1688583757. The cubic root of 8173998633 is about 2014.3960148363.

The spelling of 8173998633 in words is "eight billion, one hundred seventy-three million, nine hundred ninety-eight thousand, six hundred thirty-three".