7945937873316 has 63 divisors (see below), whose sum is σ = 20848949009553. Its totient is φ = 2648595218400.

The previous prime is 7945937873273. The next prime is 7945937873339. The reversal of 7945937873316 is 6133787395497.

It is a happy number.

The square root of 7945937873316 is 2818854.

It is a perfect power (a square), and thus also a powerful number.

7945937873316 is a `hidden beast` number, since 7 + 9 + 459 + 3 + 78 + 73 + 31 + 6 = 666.

It can be written as a sum of positive squares in only one way, i.e., 6760800823716 + 1185137049600 = 2600154^2 + 1088640^2 .

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 20 ways as a sum of consecutive naturals, for example, 152192016 + ... + 152244216.

Almost surely, 2^{7945937873316} is an apocalyptic number.

7945937873316 is the 2818854-th square number.

It is an amenable number.

7945937873316 is an abundant number, since it is smaller than the sum of its proper divisors (12903011136237).

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

7945937873316 is an frugal number, since it uses more digits than its factorization.

7945937873316 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 104424 (or 52206 counting only the distinct ones).

The product of its digits is 720135360, while the sum is 72.

The spelling of 7945937873316 in words is "seven trillion, nine hundred forty-five billion, nine hundred thirty-seven million, eight hundred seventy-three thousand, three hundred sixteen".