78843277052 has 12 divisors (see below), whose sum is σ = 138100157160. Its totient is φ = 39386089296.

The previous prime is 78843277031. The next prime is 78843277081. The reversal of 78843277052 is 25077234887.

It is a junction number, because it is equal to n+sod(n) for n = 78843276985 and 78843277003.

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, 8882318 + ... + 8891189.

It is an arithmetic number, because the mean of its divisors is an integer number (11508346430).

Almost surely, 2^78843277052 is an apocalyptic number.

It is an amenable number.

78843277052 is a deficient number, since it is larger than the sum of its proper divisors (59256880108).

78843277052 is a wasteful number, since it uses less digits than its factorization.

78843277052 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17774620 (or 17774618 counting only the distinct ones).

The product of its (nonzero) digits is 5268480, while the sum is 53.

The spelling of 78843277052 in words is "seventy-eight billion, eight hundred forty-three million, two hundred seventy-seven thousand, fifty-two".