82144671 has 16 divisors (see below), whose sum is σ = 125520384. Its totient is φ = 46809504.

The previous prime is 82144651. The next prime is 82144679. The reversal of 82144671 is 17644128.

It is not a de Polignac number, because 82144671 - 2⁵ = 82144639 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (82144679) 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 15 ways as a sum of consecutive naturals, for example, 2590 + ... + 13076.

It is an arithmetic number, because the mean of its divisors is an integer number (7845024).

Almost surely, 2^82144671 is an apocalyptic number.

82144671 is a deficient number, since it is larger than the sum of its proper divisors (43375713).

82144671 is a wasteful number, since it uses less digits than its factorization.

82144671 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10870.

The product of its digits is 10752, while the sum is 33.

The square root of 82144671 is about 9063.3697375755. The cubic root of 82144671 is about 434.7034945988.

Adding to 82144671 its reverse (17644128), we get a palindrome (99788799).

The spelling of 82144671 in words is "eighty-two million, one hundred forty-four thousand, six hundred seventy-one".