83287171 has 8 divisors (see below), whose sum is σ = 90928944. Its totient is φ = 75657120.

The previous prime is 83287157. The next prime is 83287177. The reversal of 83287171 is 17178238.

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

It is not a de Polignac number, because 83287171 - 2⁹ = 83286659 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 83287171.

It is not an unprimeable number, because it can be changed into a prime (83287177) 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, 19305 + ... + 23221.

It is an arithmetic number, because the mean of its divisors is an integer number (11366118).

Almost surely, 2^83287171 is an apocalyptic number.

83287171 is a deficient number, since it is larger than the sum of its proper divisors (7641773).

83287171 is a wasteful number, since it uses less digits than its factorization.

83287171 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5861.

The product of its digits is 18816, while the sum is 37.

The square root of 83287171 is about 9126.1805263758. The cubic root of 83287171 is about 436.7095644458.

The spelling of 83287171 in words is "eighty-three million, two hundred eighty-seven thousand, one hundred seventy-one".