82939069 has 2 divisors, whose sum is σ = 82939070. Its totient is φ = 82939068.

The previous prime is 82939057. The next prime is 82939097. The reversal of 82939069 is 96093928.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 43059844 + 39879225 = 6562^2 + 6315^2 .

It is a cyclic number.

It is not a de Polignac number, because 82939069 - 2⁵ = 82939037 is a prime.

It is a super-2 number, since 2×82939069² = 13757778333173522, which contains 22 as substring.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (82939369) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 41469534 + 41469535.

It is an arithmetic number, because the mean of its divisors is an integer number (41469535).

Almost surely, 2^82939069 is an apocalyptic number.

It is an amenable number.

82939069 is a deficient number, since it is larger than the sum of its proper divisors (1).

82939069 is an equidigital number, since it uses as much as digits as its factorization.

82939069 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 209952, while the sum is 46.

The square root of 82939069 is about 9107.0889421373. The cubic root of 82939069 is about 436.1002999194.

The spelling of 82939069 in words is "eighty-two million, nine hundred thirty-nine thousand, sixty-nine".