6848855138 has 16 divisors (see below), whose sum is σ = 10387518624. Its totient is φ = 3386405760.

The previous prime is 6848855137. The next prime is 6848855149. The reversal of 6848855138 is 8315588486.

It is a happy number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (6848855131) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 240053 + ... + 267063.

It is an arithmetic number, because the mean of its divisors is an integer number (649219914).

Almost surely, 2^6848855138 is an apocalyptic number.

6848855138 is a deficient number, since it is larger than the sum of its proper divisors (3538663486).

6848855138 is a wasteful number, since it uses less digits than its factorization.

6848855138 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28417.

The product of its digits is 7372800, while the sum is 56.

The square root of 6848855138 is about 82757.8101329415. The cubic root of 6848855138 is about 1899.0628007638.

The spelling of 6848855138 in words is "six billion, eight hundred forty-eight million, eight hundred fifty-five thousand, one hundred thirty-eight".