6789134873987 has 4 divisors (see below), whose sum is σ = 7023242973120. Its totient is φ = 6555026774856.

The previous prime is 6789134873903. The next prime is 6789134874001. The reversal of 6789134873987 is 7893784319876.

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

It is a cyclic number.

It is not a de Polignac number, because 6789134873987 - 2¹⁰ = 6789134872963 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (6789134875987) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 117054049523 + ... + 117054049580.

It is an arithmetic number, because the mean of its divisors is an integer number (1755810743280).

Almost surely, 2^{6789134873987} is an apocalyptic number.

6789134873987 is a deficient number, since it is larger than the sum of its proper divisors (234108099133).

6789134873987 is a wasteful number, since it uses less digits than its factorization.

6789134873987 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 234108099132.

The product of its digits is 3072577536, while the sum is 80.

The spelling of 6789134873987 in words is "six trillion, seven hundred eighty-nine billion, one hundred thirty-four million, eight hundred seventy-three thousand, nine hundred eighty-seven".