6750811387 has 4 divisors (see below), whose sum is σ = 6751620720. Its totient is φ = 6750002056.

The previous prime is 6750811349. The next prime is 6750811399. The reversal of 6750811387 is 7831180576.

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 6750811387 - 2¹⁹ = 6750287099 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (6750811307) 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, 392023 + ... + 408880.

It is an arithmetic number, because the mean of its divisors is an integer number (1687905180).

Almost surely, 2^6750811387 is an apocalyptic number.

6750811387 is a deficient number, since it is larger than the sum of its proper divisors (809333).

6750811387 is an equidigital number, since it uses as much as digits as its factorization.

6750811387 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 809332.

The product of its (nonzero) digits is 282240, while the sum is 46.

The square root of 6750811387 is about 82163.3214214226. The cubic root of 6750811387 is about 1889.9572965166.

The spelling of 6750811387 in words is "six billion, seven hundred fifty million, eight hundred eleven thousand, three hundred eighty-seven".