6838847057 has 16 divisors (see below), whose sum is σ = 8357530752. Its totient is φ = 5462419200.

The previous prime is 6838847051. The next prime is 6838847129. The reversal of 6838847057 is 7507488386.

It is a happy number.

It is not a de Polignac number, because 6838847057 - 2⁸ = 6838846801 is a prime.

It is a super-2 number, since 2×6838847057² = 93539658138075122498, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 6838846993 and 6838847011.

It is not an unprimeable number, because it can be changed into a prime (6838847051) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 272483 + ... + 296520.

It is an arithmetic number, because the mean of its divisors is an integer number (522345672).

Almost surely, 2^6838847057 is an apocalyptic number.

It is an amenable number.

6838847057 is a deficient number, since it is larger than the sum of its proper divisors (1518683695).

6838847057 is a wasteful number, since it uses less digits than its factorization.

6838847057 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 569128.

The product of its (nonzero) digits is 9031680, while the sum is 56.

The square root of 6838847057 is about 82697.3219457559. The cubic root of 6838847057 is about 1898.1373302949.

The spelling of 6838847057 in words is "six billion, eight hundred thirty-eight million, eight hundred forty-seven thousand, fifty-seven".