82560471 has 24 divisors (see below), whose sum is σ = 130027392. Its totient is φ = 45644400.

The previous prime is 82560469. The next prime is 82560481. The reversal of 82560471 is 17406528.

It is not a de Polignac number, because 82560471 - 2¹ = 82560469 is a prime.

It is a super-3 number, since 3×82560471³ (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 (82560461) 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 23 ways as a sum of consecutive naturals, for example, 18136 + ... + 22226.

It is an arithmetic number, because the mean of its divisors is an integer number (5417808).

Almost surely, 2^82560471 is an apocalyptic number.

82560471 is a deficient number, since it is larger than the sum of its proper divisors (47466921).

82560471 is a wasteful number, since it uses less digits than its factorization.

82560471 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4163 (or 4132 counting only the distinct ones).

The product of its (nonzero) digits is 13440, while the sum is 33.

The square root of 82560471 is about 9086.2792715170. The cubic root of 82560471 is about 435.4357214232.

Adding to 82560471 its reverse (17406528), we get a palindrome (99966999).

The spelling of 82560471 in words is "eighty-two million, five hundred sixty thousand, four hundred seventy-one".