8205885029 has 2 divisors, whose sum is σ = 8205885030. Its totient is φ = 8205885028.

The previous prime is 8205885013. The next prime is 8205885031. The reversal of 8205885029 is 9205885028.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 7056336004 + 1149549025 = 84002^2 + 33905^2 .

It is a cyclic number.

It is not a de Polignac number, because 8205885029 - 2⁴ = 8205885013 is a prime.

Together with 8205885031, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (8205885629) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4102942514 + 4102942515.

It is an arithmetic number, because the mean of its divisors is an integer number (4102942515).

Almost surely, 2^8205885029 is an apocalyptic number.

It is an amenable number.

8205885029 is a deficient number, since it is larger than the sum of its proper divisors (1).

8205885029 is an equidigital number, since it uses as much as digits as its factorization.

8205885029 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 460800, while the sum is 47.

The square root of 8205885029 is about 90586.3401898984. The cubic root of 8205885029 is about 2017.0119718742.

Subtracting 8205885029 from its reverse (9205885028), we obtain a palindrome (999999999).

The spelling of 8205885029 in words is "eight billion, two hundred five million, eight hundred eighty-five thousand, twenty-nine".