6851876178 has 32 divisors (see below), whose sum is σ = 16485719040. Its totient is φ = 1854642960.

The previous prime is 6851876177. The next prime is 6851876183. The reversal of 6851876178 is 8716781586.

It is a Harshad number since it is a multiple of its sum of digits (57).

It is not an unprimeable number, because it can be changed into a prime (6851876177) 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, 4292358 + ... + 4293953.

It is an arithmetic number, because the mean of its divisors is an integer number (515178720).

Almost surely, 2^6851876178 is an apocalyptic number.

6851876178 is an abundant number, since it is smaller than the sum of its proper divisors (9633842862).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

6851876178 is a wasteful number, since it uses less digits than its factorization.

6851876178 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8586342.

The product of its digits is 4515840, while the sum is 57.

The square root of 6851876178 is about 82776.0604160406. The cubic root of 6851876178 is about 1899.3419861760.

The spelling of 6851876178 in words is "six billion, eight hundred fifty-one million, eight hundred seventy-six thousand, one hundred seventy-eight".