82822080949 has 4 divisors (see below), whose sum is σ = 82837285900. Its totient is φ = 82806876000.

The previous prime is 82822080947. The next prime is 82822080959. The reversal of 82822080949 is 94908022828.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 47996922724 + 34825158225 = 219082^2 + 186615^2 .

It is a cyclic number.

It is not a de Polignac number, because 82822080949 - 2¹ = 82822080947 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 82822080896 and 82822080905.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (82822080941) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 7594302 + ... + 7605199.

It is an arithmetic number, because the mean of its divisors is an integer number (20709321475).

Almost surely, 2^82822080949 is an apocalyptic number.

It is an amenable number.

82822080949 is a deficient number, since it is larger than the sum of its proper divisors (15204951).

82822080949 is a wasteful number, since it uses less digits than its factorization.

82822080949 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15204950.

The product of its (nonzero) digits is 1327104, while the sum is 52.

The spelling of 82822080949 in words is "eighty-two billion, eight hundred twenty-two million, eighty thousand, nine hundred forty-nine".