82124471 has 8 divisors (see below), whose sum is σ = 96482064. Its totient is φ = 68915520.

The previous prime is 82124447. The next prime is 82124473. The reversal of 82124471 is 17442128.

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 82124471 - 2⁶ = 82124407 is a prime.

It is a super-3 number, since 3×82124471³ (a number of 25 digits) contains 333 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (82124473) 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, 287006 + ... + 287291.

It is an arithmetic number, because the mean of its divisors is an integer number (12060258).

Almost surely, 2^82124471 is an apocalyptic number.

82124471 is a deficient number, since it is larger than the sum of its proper divisors (14357593).

82124471 is a wasteful number, since it uses less digits than its factorization.

82124471 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 574321.

The product of its digits is 3584, while the sum is 29.

The square root of 82124471 is about 9062.2552932479. The cubic root of 82124471 is about 434.6678593781.

Adding to 82124471 its reverse (17442128), we get a palindrome (99566599).

The spelling of 82124471 in words is "eighty-two million, one hundred twenty-four thousand, four hundred seventy-one".