82008669 has 4 divisors (see below), whose sum is σ = 109344896. Its totient is φ = 54672444.

The previous prime is 82008653. The next prime is 82008677. The reversal of 82008669 is 96680028.

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 not a de Polignac number, because 82008669 - 2⁴ = 82008653 is a prime.

It is a super-2 number, since 2×82008669² = 13450843582303122, which contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (82008679) 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, 13668109 + ... + 13668114.

It is an arithmetic number, because the mean of its divisors is an integer number (27336224).

Almost surely, 2^82008669 is an apocalyptic number.

It is an amenable number.

82008669 is a deficient number, since it is larger than the sum of its proper divisors (27336227).

82008669 is a wasteful number, since it uses less digits than its factorization.

82008669 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27336226.

The product of its (nonzero) digits is 41472, while the sum is 39.

The square root of 82008669 is about 9055.8637909368. The cubic root of 82008669 is about 434.4634579195.

The spelling of 82008669 in words is "eighty-two million, eight thousand, six hundred sixty-nine".