6857855674 has 16 divisors (see below), whose sum is σ = 10762384320. Its totient is φ = 3271181760.

The previous prime is 6857855657. The next prime is 6857855677. The reversal of 6857855674 is 4765587586.

It is not an unprimeable number, because it can be changed into a prime (6857855677) 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, 179247 + ... + 214114.

It is an arithmetic number, because the mean of its divisors is an integer number (672649020).

Almost surely, 2^6857855674 is an apocalyptic number.

6857855674 is a deficient number, since it is larger than the sum of its proper divisors (3904528646).

6857855674 is a wasteful number, since it uses less digits than its factorization.

6857855674 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 393765.

The product of its digits is 56448000, while the sum is 61.

The square root of 6857855674 is about 82812.1710499127. The cubic root of 6857855674 is about 1899.8943315195.

The spelling of 6857855674 in words is "six billion, eight hundred fifty-seven million, eight hundred fifty-five thousand, six hundred seventy-four".