82289205 has 12 divisors (see below), whose sum is σ = 142634700. Its totient is φ = 43887552.

The previous prime is 82289203. The next prime is 82289219. The reversal of 82289205 is 50298228.

It can be written as a sum of positive squares in 2 ways, for example, as 23444964 + 58844241 = 4842^2 + 7671^2 .

It is not a de Polignac number, because 82289205 - 2¹ = 82289203 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 82289205.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (82289203) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 914280 + ... + 914369.

It is an arithmetic number, because the mean of its divisors is an integer number (11886225).

Almost surely, 2^82289205 is an apocalyptic number.

It is an amenable number.

82289205 is a deficient number, since it is larger than the sum of its proper divisors (60345495).

82289205 is a wasteful number, since it uses less digits than its factorization.

82289205 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1828660 (or 1828657 counting only the distinct ones).

The product of its (nonzero) digits is 23040, while the sum is 36.

The square root of 82289205 is about 9071.3397577205. The cubic root of 82289205 is about 434.9582996094.

The spelling of 82289205 in words is "eighty-two million, two hundred eighty-nine thousand, two hundred five".