82669369 has 2 divisors, whose sum is σ = 82669370. Its totient is φ = 82669368.

The previous prime is 82669339. The next prime is 82669373. The reversal of 82669369 is 96396628.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 43731769 + 38937600 = 6613^2 + 6240^2 .

It is a cyclic number.

It is not a de Polignac number, because 82669369 - 2¹⁷ = 82538297 is a prime.

It is a super-2 number, since 2×82669369² = 13668449141716322, which contains 22 as substring.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (82669309) 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 as a sum of consecutive naturals, namely, 41334684 + 41334685.

It is an arithmetic number, because the mean of its divisors is an integer number (41334685).

Almost surely, 2^82669369 is an apocalyptic number.

It is an amenable number.

82669369 is a deficient number, since it is larger than the sum of its proper divisors (1).

82669369 is an equidigital number, since it uses as much as digits as its factorization.

82669369 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 839808, while the sum is 49.

The square root of 82669369 is about 9092.2697386296. The cubic root of 82669369 is about 435.6270851819.

It can be divided in two parts, 82669 and 369, that added together give a palindrome (83038).

The spelling of 82669369 in words is "eighty-two million, six hundred sixty-nine thousand, three hundred sixty-nine".