6888972783840 has 192 divisors, whose sum is σ = 24802476410880. Its totient is φ = 1574484295680.

The previous prime is 6888972783809. The next prime is 6888972783863. The reversal of 6888972783840 is 483872798886.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 41039280 + ... + 41206800.

It is an arithmetic number, because the mean of its divisors is an integer number (129179564640).

Almost surely, 2^{6888972783840} is an apocalyptic number.

6888972783840 is a gapful number since it is divisible by the number (60) formed by its first and last digit.

It is an amenable number.

6888972783840 is an abundant number, since it is smaller than the sum of its proper divisors (17913503627040).

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

6888972783840 is a wasteful number, since it uses less digits than its factorization.

6888972783840 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 179785 (or 179777 counting only the distinct ones).

The product of its (nonzero) digits is 2080899072, while the sum is 78.

The spelling of 6888972783840 in words is "six trillion, eight hundred eighty-eight billion, nine hundred seventy-two million, seven hundred eighty-three thousand, eight hundred forty".