7880663778116 has 12 divisors (see below), whose sum is σ = 13799424751980. Its totient is φ = 3937970991840.

The previous prime is 7880663778107. The next prime is 7880663778193. The reversal of 7880663778116 is 6118773660887.

It can be written as a sum of positive squares in 2 ways, for example, as 4488635449600 + 3392028328516 = 2118640^2 + 1841746^2 .

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 3 ways as a sum of consecutive naturals, for example, 590216795 + ... + 590230146.

It is an arithmetic number, because the mean of its divisors is an integer number (1149952062665).

Almost surely, 2^{7880663778116} is an apocalyptic number.

It is an amenable number.

7880663778116 is a deficient number, since it is larger than the sum of its proper divisors (5918760973864).

7880663778116 is a wasteful number, since it uses less digits than its factorization.

7880663778116 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1180448614 (or 1180448612 counting only the distinct ones).

The product of its (nonzero) digits is 113799168, while the sum is 68.

The spelling of 7880663778116 in words is "seven trillion, eight hundred eighty billion, six hundred sixty-three million, seven hundred seventy-eight thousand, one hundred sixteen".