82122783121517 has 8 divisors (see below), whose sum is σ = 82876494882816. Its totient is φ = 81370744417872.

The previous prime is 82122783121471. The next prime is 82122783121537. The reversal of 82122783121517 is 71512138722128.

It is a happy number.

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 82122783121517 - 2¹⁴ = 82122783105133 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (82122783121537) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 418165793 + ... + 418362134.

It is an arithmetic number, because the mean of its divisors is an integer number (10359561860352).

Almost surely, 2^{82122783121517} is an apocalyptic number.

It is an amenable number.

82122783121517 is a deficient number, since it is larger than the sum of its proper divisors (753711761299).

82122783121517 is a wasteful number, since it uses less digits than its factorization.

82122783121517 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 836528827.

The product of its digits is 752640, while the sum is 50.

The spelling of 82122783121517 in words is "eighty-two trillion, one hundred twenty-two billion, seven hundred eighty-three million, one hundred twenty-one thousand, five hundred seventeen".