78855468803882 has 16 divisors (see below), whose sum is σ = 119334263332680. Its totient is φ = 39077406208512.

The previous prime is 78855468803827. The next prime is 78855468803887. The reversal of 78855468803882 is 28830886455887.

It can be written as a sum of positive squares in 4 ways, for example, as 61732747566361 + 17122721237521 = 7857019^2 + 4137961^2 .

It is a junction number, because it is equal to n+sod(n) for n = 78855468803797 and 78855468803806.

It is not an unprimeable number, because it can be changed into a prime (78855468803887) 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, 4907 + ... + 12558302.

Almost surely, 2^{78855468803882} is an apocalyptic number.

78855468803882 is a deficient number, since it is larger than the sum of its proper divisors (40478794528798).

78855468803882 is a wasteful number, since it uses less digits than its factorization.

78855468803882 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12591097.

The product of its (nonzero) digits is 6606028800, while the sum is 80.

The spelling of 78855468803882 in words is "seventy-eight trillion, eight hundred fifty-five billion, four hundred sixty-eight million, eight hundred three thousand, eight hundred eighty-two".