82804822285 has 8 divisors (see below), whose sum is σ = 99451973880. Its totient is φ = 66186399744.

The previous prime is 82804822277. The next prime is 82804822297. The reversal of 82804822285 is 58222840828.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 34925255689 + 47879566596 = 186883^2 + 218814^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 82804822285 - 2³ = 82804822277 is a prime.

It is a congruent number.

It is an unprimeable number.

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 in 7 ways as a sum of consecutive naturals, for example, 7175920 + ... + 7187449.

It is an arithmetic number, because the mean of its divisors is an integer number (12431496735).

Almost surely, 2^82804822285 is an apocalyptic number.

It is an amenable number.

82804822285 is a deficient number, since it is larger than the sum of its proper divisors (16647151595).

82804822285 is a wasteful number, since it uses less digits than its factorization.

82804822285 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14364527.

The product of its (nonzero) digits is 1310720, while the sum is 49.

The spelling of 82804822285 in words is "eighty-two billion, eight hundred four million, eight hundred twenty-two thousand, two hundred eighty-five".