6865394127 has 16 divisors (see below), whose sum is σ = 9637436160. Its totient is φ = 4335230592.

The previous prime is 6865394077. The next prime is 6865394161. The reversal of 6865394127 is 7214935686.

It is not a de Polignac number, because 6865394127 - 2⁷ = 6865393999 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 6865394127.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6865393127) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 499783 + ... + 513335.

It is an arithmetic number, because the mean of its divisors is an integer number (602339760).

Almost surely, 2^6865394127 is an apocalyptic number.

6865394127 is a deficient number, since it is larger than the sum of its proper divisors (2772042033).

6865394127 is a wasteful number, since it uses less digits than its factorization.

6865394127 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22462.

The product of its digits is 2177280, while the sum is 51.

The square root of 6865394127 is about 82857.6739173868. The cubic root of 6865394127 is about 1900.5902254024.

The spelling of 6865394127 in words is "six billion, eight hundred sixty-five million, three hundred ninety-four thousand, one hundred twenty-seven".