8389976512 has 14 divisors (see below), whose sum is σ = 16648859768. Its totient is φ = 4194988224.

The previous prime is 8389976473. The next prime is 8389976513. The reversal of 8389976512 is 2156799838.

It is a super-2 number, since 2×8389976512² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8389976513) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 65546628 + ... + 65546755.

Almost surely, 2^8389976512 is an apocalyptic number.

It is an amenable number.

8389976512 is a deficient number, since it is larger than the sum of its proper divisors (8258883256).

8389976512 is a wasteful number, since it uses less digits than its factorization.

8389976512 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 131093395 (or 131093385 counting only the distinct ones).

The product of its digits is 6531840, while the sum is 58.

The square root of 8389976512 is about 91596.8149664605. The cubic root of 8389976512 is about 2031.9838333390.

The spelling of 8389976512 in words is "eight billion, three hundred eighty-nine million, nine hundred seventy-six thousand, five hundred twelve".