83112173 has 8 divisors (see below), whose sum is σ = 86770200. Its totient is φ = 79507008.

The previous prime is 83112119. The next prime is 83112217. The reversal of 83112173 is 37121138.

It can be written as a sum of positive squares in 4 ways, for example, as 47375689 + 35736484 = 6883^2 + 5978^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 83112173 - 2¹⁶ = 83046637 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (83112373) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9986 + ... + 16307.

It is an arithmetic number, because the mean of its divisors is an integer number (10846275).

Almost surely, 2^83112173 is an apocalyptic number.

It is an amenable number.

83112173 is a deficient number, since it is larger than the sum of its proper divisors (3658027).

83112173 is a wasteful number, since it uses less digits than its factorization.

83112173 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26431.

The product of its digits is 1008, while the sum is 26.

The square root of 83112173 is about 9116.5877936868. The cubic root of 83112173 is about 436.4034873419.

The spelling of 83112173 in words is "eighty-three million, one hundred twelve thousand, one hundred seventy-three".