6871157439 has 8 divisors (see below), whose sum is σ = 9242619312. Its totient is φ = 4540233600.

The previous prime is 6871157417. The next prime is 6871157453. The reversal of 6871157439 is 9347511786.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 6871157439 - 2¹¹ = 6871155391 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 6871157391 and 6871157400.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6871157539) 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 7 ways as a sum of consecutive naturals, for example, 10134112 + ... + 10134789.

It is an arithmetic number, because the mean of its divisors is an integer number (1155327414).

Almost surely, 2^6871157439 is an apocalyptic number.

6871157439 is a deficient number, since it is larger than the sum of its proper divisors (2371461873).

6871157439 is a wasteful number, since it uses less digits than its factorization.

6871157439 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20269017.

The product of its digits is 1270080, while the sum is 51.

The square root of 6871157439 is about 82892.4450055613. The cubic root of 6871157439 is about 1901.1219079526.

The spelling of 6871157439 in words is "six billion, eight hundred seventy-one million, one hundred fifty-seven thousand, four hundred thirty-nine".