7315977316 has 6 divisors (see below), whose sum is σ = 12802960310. Its totient is φ = 3657988656.

The previous prime is 7315977289. The next prime is 7315977323. The reversal of 7315977316 is 6137795137.

It can be written as a sum of positive squares in only one way, i.e., 6419214400 + 896762916 = 80120^2 + 29946^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 7315977316.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 914497161 + ... + 914497168.

Almost surely, 2^7315977316 is an apocalyptic number.

It is an amenable number.

7315977316 is a deficient number, since it is larger than the sum of its proper divisors (5486982994).

7315977316 is a wasteful number, since it uses less digits than its factorization.

7315977316 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1828994333 (or 1828994331 counting only the distinct ones).

The product of its digits is 833490, while the sum is 49.

The square root of 7315977316 is about 85533.4865184391. The cubic root of 7315977316 is about 1941.2916360401.

The spelling of 7315977316 in words is "seven billion, three hundred fifteen million, nine hundred seventy-seven thousand, three hundred sixteen".