82798004430004 has 12 divisors (see below), whose sum is σ = 144896618355300. Its totient is φ = 41398970614208.

The previous prime is 82798004429851. The next prime is 82798004430019. The reversal of 82798004430004 is 40003440089728.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 30469273930404 + 52328730499600 = 5519898^2 + 7233860^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 82798004430004.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1413049 + ... + 12945760.

It is an arithmetic number, because the mean of its divisors is an integer number (12074718196275).

Almost surely, 2^{82798004430004} is an apocalyptic number.

It is an amenable number.

82798004430004 is a deficient number, since it is larger than the sum of its proper divisors (62098613925296).

82798004430004 is a wasteful number, since it uses less digits than its factorization.

82798004430004 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15800402 (or 15800400 counting only the distinct ones).

The product of its (nonzero) digits is 1548288, while the sum is 49.

The spelling of 82798004430004 in words is "eighty-two trillion, seven hundred ninety-eight billion, four million, four hundred thirty thousand, four".