82519042823 has 16 divisors (see below), whose sum is σ = 99637386240. Its totient is φ = 66760653600.

The previous prime is 82519042733. The next prime is 82519042871. The reversal of 82519042823 is 32824091528.

It is a cyclic number.

It is not a de Polignac number, because 82519042823 - 2²⁸ = 82250607367 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (82519042883) 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 15 ways as a sum of consecutive naturals, for example, 1108688 + ... + 1180773.

It is an arithmetic number, because the mean of its divisors is an integer number (6227336640).

Almost surely, 2^82519042823 is an apocalyptic number.

82519042823 is a deficient number, since it is larger than the sum of its proper divisors (17118343417).

82519042823 is a wasteful number, since it uses less digits than its factorization.

82519042823 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2289758.

The product of its (nonzero) digits is 276480, while the sum is 44.

The spelling of 82519042823 in words is "eighty-two billion, five hundred nineteen million, forty-two thousand, eight hundred twenty-three".