82038689 has 4 divisors (see below), whose sum is σ = 82306224. Its totient is φ = 81771156.

The previous prime is 82038673. The next prime is 82038721. The reversal of 82038689 is 98683028.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 82038689 - 2⁴ = 82038673 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (82038629) 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, 133307 + ... + 133920.

It is an arithmetic number, because the mean of its divisors is an integer number (20576556).

Almost surely, 2^82038689 is an apocalyptic number.

It is an amenable number.

82038689 is a deficient number, since it is larger than the sum of its proper divisors (267535).

82038689 is a wasteful number, since it uses less digits than its factorization.

82038689 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 267534.

The product of its (nonzero) digits is 165888, while the sum is 44.

The square root of 82038689 is about 9057.5211288741. The cubic root of 82038689 is about 434.5164645184.

The spelling of 82038689 in words is "eighty-two million, thirty-eight thousand, six hundred eighty-nine".