82044665 has 8 divisors (see below), whose sum is σ = 98737800. Its totient is φ = 65446272.

The previous prime is 82044647. The next prime is 82044671. The reversal of 82044665 is 56644028.

It can be written as a sum of positive squares in 4 ways, for example, as 37994896 + 44049769 = 6164^2 + 6637^2 .

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 82044665 - 2²⁰ = 80996089 is a prime.

It is a super-3 number, since 3×82044665³ (a number of 25 digits) contains 333 as substring.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 21764 + ... + 25253.

It is an arithmetic number, because the mean of its divisors is an integer number (12342225).

Almost surely, 2^82044665 is an apocalyptic number.

It is an amenable number.

82044665 is a deficient number, since it is larger than the sum of its proper divisors (16693135).

82044665 is a wasteful number, since it uses less digits than its factorization.

82044665 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 47371.

The product of its (nonzero) digits is 46080, while the sum is 35.

The square root of 82044665 is about 9057.8510144515. The cubic root of 82044665 is about 434.5270148550.

The spelling of 82044665 in words is "eighty-two million, forty-four thousand, six hundred sixty-five".