83217471 has 8 divisors (see below), whose sum is σ = 111158064. Its totient is φ = 55377600.

The previous prime is 83217451. The next prime is 83217479. The reversal of 83217471 is 17471238.

It is a happy number.

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

It is not a de Polignac number, because 83217471 - 2⁵ = 83217439 is a prime.

It is a super-3 number, since 3×83217471³ (a number of 25 digits) contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (83217479) by changing a digit.

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, 23230 + ... + 26571.

It is an arithmetic number, because the mean of its divisors is an integer number (13894758).

Almost surely, 2^83217471 is an apocalyptic number.

83217471 is a deficient number, since it is larger than the sum of its proper divisors (27940593).

83217471 is a wasteful number, since it uses less digits than its factorization.

83217471 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 50361.

The product of its digits is 9408, while the sum is 33.

The square root of 83217471 is about 9122.3610430634. The cubic root of 83217471 is about 436.5877083375.

The spelling of 83217471 in words is "eighty-three million, two hundred seventeen thousand, four hundred seventy-one".