6783450873884 has 12 divisors (see below), whose sum is σ = 12038236762608. Its totient is φ = 3343954656000.

The previous prime is 6783450873851. The next prime is 6783450873887. The reversal of 6783450873884 is 4883780543876.

It is a Harshad number since it is a multiple of its sum of digits (71).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6783450873887) 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 3 ways as a sum of consecutive naturals, for example, 11942694917 + ... + 11942695484.

It is an arithmetic number, because the mean of its divisors is an integer number (1003186396884).

Almost surely, 2^{6783450873884} is an apocalyptic number.

It is an amenable number.

6783450873884 is a deficient number, since it is larger than the sum of its proper divisors (5254785888724).

6783450873884 is a wasteful number, since it uses less digits than its factorization.

6783450873884 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23885390476 (or 23885390474 counting only the distinct ones).

The product of its (nonzero) digits is 867041280, while the sum is 71.

The spelling of 6783450873884 in words is "six trillion, seven hundred eighty-three billion, four hundred fifty million, eight hundred seventy-three thousand, eight hundred eighty-four".