7816807728316 has 12 divisors (see below), whose sum is σ = 13680152163832. Its totient is φ = 3908192824368.

The previous prime is 7816807728263. The next prime is 7816807728421. The reversal of 7816807728316 is 6138277086187.

It is a super-2 number, since 2×7816807728316² (a number of 27 digits) contains 22 as substring.

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, 52676595 + ... + 52824778.

Almost surely, 2^{7816807728316} is an apocalyptic number.

It is an amenable number.

7816807728316 is a deficient number, since it is larger than the sum of its proper divisors (5863344435516).

7816807728316 is a wasteful number, since it uses less digits than its factorization.

7816807728316 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 105519900 (or 105519898 counting only the distinct ones).

The product of its (nonzero) digits is 37933056, while the sum is 64.

The spelling of 7816807728316 in words is "seven trillion, eight hundred sixteen billion, eight hundred seven million, seven hundred twenty-eight thousand, three hundred sixteen".