82518980219 has 8 divisors (see below), whose sum is σ = 89327045472. Its totient is φ = 75776693760.

The previous prime is 82518980209. The next prime is 82518980221. The reversal of 82518980219 is 91208981528.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-82518980219 is a prime.

It is a super-2 number, since 2×82518980219² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (82518980209) 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, 16442087 + ... + 16447104.

It is an arithmetic number, because the mean of its divisors is an integer number (11165880684).

Almost surely, 2^82518980219 is an apocalyptic number.

82518980219 is a deficient number, since it is larger than the sum of its proper divisors (6808065253).

82518980219 is a wasteful number, since it uses less digits than its factorization.

82518980219 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32889397.

The product of its (nonzero) digits is 829440, while the sum is 53.

The spelling of 82518980219 in words is "eighty-two billion, five hundred eighteen million, nine hundred eighty thousand, two hundred nineteen".