6851382800 has 30 divisors (see below), whose sum is σ = 16460448138. Its totient is φ = 2740552960.

The previous prime is 6851382799. The next prime is 6851382809. The reversal of 6851382800 is 82831586.

It can be written as a sum of positive squares in 3 ways, for example, as 482065936 + 6369316864 = 21956^2 + 79808^2 .

It is not an unprimeable number, because it can be changed into a prime (6851382809) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 8563829 + ... + 8564628.

Almost surely, 2^6851382800 is an apocalyptic number.

It is an amenable number.

6851382800 is an abundant number, since it is smaller than the sum of its proper divisors (9609065338).

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

6851382800 is a wasteful number, since it uses less digits than its factorization.

6851382800 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17128475 (or 17128464 counting only the distinct ones).

The product of its (nonzero) digits is 92160, while the sum is 41.

The square root of 6851382800 is about 82773.0801649908. The cubic root of 6851382800 is about 1899.2963969087.

The spelling of 6851382800 in words is "six billion, eight hundred fifty-one million, three hundred eighty-two thousand, eight hundred".