316828780388 has 6 divisors (see below), whose sum is σ = 554450365686. Its totient is φ = 158414390192.

The previous prime is 316828780379. The next prime is 316828780391. The reversal of 316828780388 is 883087828613.

It can be written as a sum of positive squares in only one way, i.e., 158577575524 + 158251204864 = 398218^2 + 397808^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 316828780388.

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 as a sum of consecutive naturals, namely, 39603597545 + ... + 39603597552.

It is an arithmetic number, because the mean of its divisors is an integer number (92408394281).

Almost surely, 2^316828780388 is an apocalyptic number.

It is an amenable number.

316828780388 is a deficient number, since it is larger than the sum of its proper divisors (237621585298).

316828780388 is a wasteful number, since it uses less digits than its factorization.

316828780388 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 79207195101 (or 79207195099 counting only the distinct ones).

The product of its (nonzero) digits is 24772608, while the sum is 62.

The spelling of 316828780388 in words is "three hundred sixteen billion, eight hundred twenty-eight million, seven hundred eighty thousand, three hundred eighty-eight".