6857107 has 4 divisors (see below), whose sum is σ = 7078336. Its totient is φ = 6635880.

The previous prime is 6857101. The next prime is 6857117. The reversal of 6857107 is 7017586.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 6857107 - 2¹¹ = 6855059 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (6857101) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 110568 + ... + 110629.

It is an arithmetic number, because the mean of its divisors is an integer number (1769584).

Almost surely, 2^6857107 is an apocalyptic number.

6857107 is a deficient number, since it is larger than the sum of its proper divisors (221229).

6857107 is a wasteful number, since it uses less digits than its factorization.

6857107 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 221228.

The product of its (nonzero) digits is 11760, while the sum is 34.

The square root of 6857107 is about 2618.6078362367. The cubic root of 6857107 is about 189.9825191674.

It can be divided in two parts, 68 and 57107, that added together give a palindrome (57175).

The spelling of 6857107 in words is "six million, eight hundred fifty-seven thousand, one hundred seven".