8129864872048 has 10 divisors (see below), whose sum is σ = 15751613189624. Its totient is φ = 4064932436016.

The previous prime is 8129864872009. The next prime is 8129864872057. The reversal of 8129864872048 is 8402784689218.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 254058277236 + ... + 254058277267.

Almost surely, 2^{8129864872048} is an apocalyptic number.

It is an amenable number.

8129864872048 is a deficient number, since it is larger than the sum of its proper divisors (7621748317576).

8129864872048 is a wasteful number, since it uses less digits than its factorization.

8129864872048 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 508116554511 (or 508116554505 counting only the distinct ones).

The product of its (nonzero) digits is 99090432, while the sum is 67.

The spelling of 8129864872048 in words is "eight trillion, one hundred twenty-nine billion, eight hundred sixty-four million, eight hundred seventy-two thousand, forty-eight".