7805780680216 has 16 divisors (see below), whose sum is σ = 14725629199800. Its totient is φ = 3878946226944.

The previous prime is 7805780680213. The next prime is 7805780680283. The reversal of 7805780680216 is 6120860875087.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7805780680213) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2993012761 + ... + 2993015368.

Almost surely, 2^{7805780680216} is an apocalyptic number.

It is an amenable number.

7805780680216 is a deficient number, since it is larger than the sum of its proper divisors (6919848519584).

7805780680216 is a wasteful number, since it uses less digits than its factorization.

7805780680216 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5986028298 (or 5986028294 counting only the distinct ones).

The product of its (nonzero) digits is 9031680, while the sum is 58.

The spelling of 7805780680216 in words is "seven trillion, eight hundred five billion, seven hundred eighty million, six hundred eighty thousand, two hundred sixteen".