82207039 has 4 divisors (see below), whose sum is σ = 82385056. Its totient is φ = 82029024.

The previous prime is 82206959. The next prime is 82207043. The reversal of 82207039 is 93070228.

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

It is a cyclic number.

It is not a de Polignac number, because 82207039 - 2¹⁹ = 81682751 is a prime.

It is a super-2 number, since 2×82207039² = 13515994522295042, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 82207039.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (82207049) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 88314 + ... + 89239.

It is an arithmetic number, because the mean of its divisors is an integer number (20596264).

Almost surely, 2^82207039 is an apocalyptic number.

82207039 is a deficient number, since it is larger than the sum of its proper divisors (178017).

82207039 is a wasteful number, since it uses less digits than its factorization.

82207039 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 178016.

The product of its (nonzero) digits is 6048, while the sum is 31.

The square root of 82207039 is about 9066.8097476455. The cubic root of 82207039 is about 434.8134823747.

The spelling of 82207039 in words is "eighty-two million, two hundred seven thousand, thirty-nine".