8173998634 has 16 divisors (see below), whose sum is σ = 12598891488. Its totient is φ = 3974482512.

The previous prime is 8173998601. The next prime is 8173998641. The reversal of 8173998634 is 4368993718.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 120649 + ... + 175795.

It is an arithmetic number, because the mean of its divisors is an integer number (787430718).

Almost surely, 2^8173998634 is an apocalyptic number.

8173998634 is a deficient number, since it is larger than the sum of its proper divisors (4424892854).

8173998634 is a wasteful number, since it uses less digits than its factorization.

8173998634 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 57189.

The product of its digits is 7838208, while the sum is 58.

The square root of 8173998634 is about 90410.1688639060. The cubic root of 8173998634 is about 2014.3960149184.

The spelling of 8173998634 in words is "eight billion, one hundred seventy-three million, nine hundred ninety-eight thousand, six hundred thirty-four".