8397918712 has 16 divisors (see below), whose sum is σ = 16171668360. Its totient is φ = 4085473824.

The previous prime is 8397918707. The next prime is 8397918719. The reversal of 8397918712 is 2178197938.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8397918719) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 14185378 + ... + 14185969.

Almost surely, 2^8397918712 is an apocalyptic number.

It is an amenable number.

8397918712 is a deficient number, since it is larger than the sum of its proper divisors (7773749648).

8397918712 is a wasteful number, since it uses less digits than its factorization.

8397918712 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28371390 (or 28371386 counting only the distinct ones).

The product of its digits is 1524096, while the sum is 55.

The square root of 8397918712 is about 91640.1588387973. The cubic root of 8397918712 is about 2032.6248097981.

The spelling of 8397918712 in words is "eight billion, three hundred ninety-seven million, nine hundred eighteen thousand, seven hundred twelve".