82042039 has 8 divisors (see below), whose sum is σ = 84207600. Its totient is φ = 79899456.

The previous prime is 82042033. The next prime is 82042043. The reversal of 82042039 is 93024028.

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 82042039 - 2³ = 82042031 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 82041998 and 82042016.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (82042031) 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 7 ways as a sum of consecutive naturals, for example, 1612 + ... + 12910.

It is an arithmetic number, because the mean of its divisors is an integer number (10525950).

Almost surely, 2^82042039 is an apocalyptic number.

82042039 is a deficient number, since it is larger than the sum of its proper divisors (2165561).

82042039 is a wasteful number, since it uses less digits than its factorization.

82042039 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11489.

The product of its (nonzero) digits is 3456, while the sum is 28.

The square root of 82042039 is about 9057.7060561712. The cubic root of 82042039 is about 434.5223788432.

The spelling of 82042039 in words is "eighty-two million, forty-two thousand, thirty-nine".