82544842 has 4 divisors (see below), whose sum is σ = 123817266. Its totient is φ = 41272420.

The previous prime is 82544827. The next prime is 82544851. The reversal of 82544842 is 24844528.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 67420521 + 15124321 = 8211^2 + 3889^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20636209 + ... + 20636212.

Almost surely, 2^82544842 is an apocalyptic number.

82544842 is a deficient number, since it is larger than the sum of its proper divisors (41272424).

82544842 is a wasteful number, since it uses less digits than its factorization.

82544842 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 41272423.

The product of its digits is 81920, while the sum is 37.

The square root of 82544842 is about 9085.4191978136. The cubic root of 82544842 is about 435.4082431628.

The spelling of 82544842 in words is "eighty-two million, five hundred forty-four thousand, eight hundred forty-two".