6786244064 has 48 divisors (see below), whose sum is σ = 13904200800. Its totient is φ = 3256425984.

The previous prime is 6786244043. The next prime is 6786244067. The reversal of 6786244064 is 4604426876.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6786244067) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 133082 + ... + 176870.

It is an arithmetic number, because the mean of its divisors is an integer number (289670850).

Almost surely, 2^6786244064 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 6786244064, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (6952100400).

6786244064 is an abundant number, since it is smaller than the sum of its proper divisors (7117956736).

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

6786244064 is a wasteful number, since it uses less digits than its factorization.

6786244064 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 43995 (or 43987 counting only the distinct ones).

The product of its (nonzero) digits is 1548288, while the sum is 47.

The square root of 6786244064 is about 82378.6626742629. The cubic root of 6786244064 is about 1893.2581059621.

The spelling of 6786244064 in words is "six billion, seven hundred eighty-six million, two hundred forty-four thousand, sixty-four".