83965173 has 8 divisors (see below), whose sum is σ = 114979488. Its totient is φ = 54463824.

The previous prime is 83965169. The next prime is 83965177. The reversal of 83965173 is 37156938.

It is an interprime number because it is at equal distance from previous prime (83965169) and next prime (83965177).

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

It is not a de Polignac number, because 83965173 - 2² = 83965169 is a prime.

It is a Smith number, since the sum of its digits (42) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (83965177) 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, 378111 + ... + 378332.

It is an arithmetic number, because the mean of its divisors is an integer number (14372436).

Almost surely, 2^83965173 is an apocalyptic number.

It is an amenable number.

83965173 is a deficient number, since it is larger than the sum of its proper divisors (31014315).

83965173 is a wasteful number, since it uses less digits than its factorization.

83965173 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 756483.

The product of its digits is 136080, while the sum is 42.

The square root of 83965173 is about 9163.2512243199. The cubic root of 83965173 is about 437.8913796248.

The spelling of 83965173 in words is "eighty-three million, nine hundred sixty-five thousand, one hundred seventy-three".