82669479269 has 8 divisors (see below), whose sum is σ = 89038295640. Its totient is φ = 76302038016.

The previous prime is 82669479239. The next prime is 82669479289. The reversal of 82669479269 is 96297496628.

It can be written as a sum of positive squares in 4 ways, for example, as 7445446369 + 75224032900 = 86287^2 + 274270^2 .

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 82669479269 - 2²⁰ = 82668430693 is a prime.

It is a super-2 number, since 2×82669479269² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 82669479199 and 82669479208.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (82669479239) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 217184 + ... + 460985.

It is an arithmetic number, because the mean of its divisors is an integer number (11129786955).

Almost surely, 2^82669479269 is an apocalyptic number.

It is an amenable number.

82669479269 is a deficient number, since it is larger than the sum of its proper divisors (6368816371).

82669479269 is a wasteful number, since it uses less digits than its factorization.

82669479269 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 687559.

The product of its digits is 141087744, while the sum is 68.

The spelling of 82669479269 in words is "eighty-two billion, six hundred sixty-nine million, four hundred seventy-nine thousand, two hundred sixty-nine".