6838979571 has 12 divisors (see below), whose sum is σ = 9893802672. Its totient is φ = 4552268976.

The previous prime is 6838979561. The next prime is 6838979611. The reversal of 6838979571 is 1759798386.

It is not a de Polignac number, because 6838979571 - 2⁷ = 6838979443 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 6838979499 and 6838979508.

It is not an unprimeable number, because it can be changed into a prime (6838979561) 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 11 ways as a sum of consecutive naturals, for example, 581416 + ... + 593061.

It is an arithmetic number, because the mean of its divisors is an integer number (824483556).

Almost surely, 2^6838979571 is an apocalyptic number.

6838979571 is a deficient number, since it is larger than the sum of its proper divisors (3054823101).

6838979571 is a wasteful number, since it uses less digits than its factorization.

6838979571 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1175130 (or 1175127 counting only the distinct ones).

The product of its digits is 22861440, while the sum is 63.

The square root of 6838979571 is about 82698.1231407340. The cubic root of 6838979571 is about 1898.1495900683.

The spelling of 6838979571 in words is "six billion, eight hundred thirty-eight million, nine hundred seventy-nine thousand, five hundred seventy-one".