83173838 has 16 divisors (see below), whose sum is σ = 136494720. Its totient is φ = 37697400.

The previous prime is 83173829. The next prime is 83173859. The reversal of 83173838 is 83837138.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 83173795 and 83173804.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2633 + ... + 13163.

It is an arithmetic number, because the mean of its divisors is an integer number (8530920).

Almost surely, 2^83173838 is an apocalyptic number.

83173838 is a deficient number, since it is larger than the sum of its proper divisors (53320882).

83173838 is a wasteful number, since it uses less digits than its factorization.

83173838 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10903.

The product of its digits is 96768, while the sum is 41.

The square root of 83173838 is about 9119.9691885444. The cubic root of 83173838 is about 436.5113903816.

The spelling of 83173838 in words is "eighty-three million, one hundred seventy-three thousand, eight hundred thirty-eight".