6861800672 has 48 divisors (see below), whose sum is σ = 13973293152. Its totient is φ = 3314657280.

The previous prime is 6861800669. The next prime is 6861800689. The reversal of 6861800672 is 2760081686.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 109748 + ... + 160524.

It is an arithmetic number, because the mean of its divisors is an integer number (291110274).

Almost surely, 2^6861800672 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 6861800672, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (6986646576).

6861800672 is an abundant number, since it is smaller than the sum of its proper divisors (7111492480).

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

6861800672 is a wasteful number, since it uses less digits than its factorization.

6861800672 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 50931 (or 50923 counting only the distinct ones).

The product of its (nonzero) digits is 193536, while the sum is 44.

The square root of 6861800672 is about 82835.9865758838. The cubic root of 6861800672 is about 1900.2585679497.

The spelling of 6861800672 in words is "six billion, eight hundred sixty-one million, eight hundred thousand, six hundred seventy-two".