6820884086880 has 48 divisors (see below), whose sum is σ = 21485784875184. Its totient is φ = 1818902423040.

The previous prime is 6820884086791. The next prime is 6820884086881. The reversal of 6820884086880 is 886804880286.

It is a tau number, because it is divible by the number of its divisors (48).

It is a super-2 number, since 2×6820884086880² (a number of 26 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6820884086881) by changing a digit.

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, 7105087111 + ... + 7105088070.

It is an arithmetic number, because the mean of its divisors is an integer number (447620518233).

Almost surely, 2^{6820884086880} is an apocalyptic number.

6820884086880 is a gapful number since it is divisible by the number (60) formed by its first and last digit.

It is an amenable number.

6820884086880 is an abundant number, since it is smaller than the sum of its proper divisors (14664900788304).

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

6820884086880 is a wasteful number, since it uses less digits than its factorization.

6820884086880 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14210175199 (or 14210175191 counting only the distinct ones).

The product of its (nonzero) digits is 75497472, while the sum is 66.

The spelling of 6820884086880 in words is "six trillion, eight hundred twenty billion, eight hundred eighty-four million, eighty-six thousand, eight hundred eighty".