82437844 has 12 divisors (see below), whose sum is σ = 144632404. Its totient is φ = 41114304.

The previous prime is 82437833. The next prime is 82437851. The reversal of 82437844 is 44873428.

It can be written as a sum of positive squares in 2 ways, for example, as 46076944 + 36360900 = 6788^2 + 6030^2 .

It is a hoax number, since the sum of its digits (40) coincides with the sum of the digits of its distinct prime factors.

It is a junction number, because it is equal to n+sod(n) for n = 82437797 and 82437806.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 24369 + ... + 27544.

Almost surely, 2^82437844 is an apocalyptic number.

It is an amenable number.

82437844 is a deficient number, since it is larger than the sum of its proper divisors (62194560).

82437844 is a wasteful number, since it uses less digits than its factorization.

82437844 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 52314 (or 52312 counting only the distinct ones).

The product of its digits is 172032, while the sum is 40.

The square root of 82437844 is about 9079.5288424015. The cubic root of 82437844 is about 435.2200304925.

The spelling of 82437844 in words is "eighty-two million, four hundred thirty-seven thousand, eight hundred forty-four".