78824350581056 has 56 divisors (see below), whose sum is σ = 165644199714240. Its totient is φ = 37087960799232.

The previous prime is 78824350580999. The next prime is 78824350581149. The reversal of 78824350581056 is 65018505342887.

It is a self number, because there is not a number n which added to its sum of digits gives 78824350581056.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1190255 + ... + 12612113.

Almost surely, 2^{78824350581056} is an apocalyptic number.

It is an amenable number.

78824350581056 is an abundant number, since it is smaller than the sum of its proper divisors (86819849133184).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

78824350581056 is a wasteful number, since it uses less digits than its factorization.

78824350581056 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11428231 (or 11428221 counting only the distinct ones).

The product of its (nonzero) digits is 64512000, while the sum is 62.

The spelling of 78824350581056 in words is "seventy-eight trillion, eight hundred twenty-four billion, three hundred fifty million, five hundred eighty-one thousand, fifty-six".