7873984315 has 4 divisors (see below), whose sum is σ = 9448781184. Its totient is φ = 6299187448.

The previous prime is 7873984303. The next prime is 7873984361. The reversal of 7873984315 is 5134893787.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-7873984315 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 787398427 + ... + 787398436.

It is an arithmetic number, because the mean of its divisors is an integer number (2362195296).

Almost surely, 2^7873984315 is an apocalyptic number.

7873984315 is a deficient number, since it is larger than the sum of its proper divisors (1574796869).

7873984315 is a wasteful number, since it uses less digits than its factorization.

7873984315 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1574796868.

The product of its digits is 5080320, while the sum is 55.

The square root of 7873984315 is about 88735.4738252972. The cubic root of 7873984315 is about 1989.4430665411.

The spelling of 7873984315 in words is "seven billion, eight hundred seventy-three million, nine hundred eighty-four thousand, three hundred fifteen".