82208629 has 2 divisors, whose sum is σ = 82208630. Its totient is φ = 82208628.

The previous prime is 82208627. The next prime is 82208669. The reversal of 82208629 is 92680228.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 63632529 + 18576100 = 7977^2 + 4310^2 .

It is a cyclic number.

It is not a de Polignac number, because 82208629 - 2¹ = 82208627 is a prime.

Together with 82208627, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (82208627) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 41104314 + 41104315.

It is an arithmetic number, because the mean of its divisors is an integer number (41104315).

Almost surely, 2^82208629 is an apocalyptic number.

It is an amenable number.

82208629 is a deficient number, since it is larger than the sum of its proper divisors (1).

82208629 is an equidigital number, since it uses as much as digits as its factorization.

82208629 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 27648, while the sum is 37.

The square root of 82208629 is about 9066.8974296614. The cubic root of 82208629 is about 434.8162856585.

The spelling of 82208629 in words is "eighty-two million, two hundred eight thousand, six hundred twenty-nine".