6780838926 has 16 divisors (see below), whose sum is σ = 14359423824. Its totient is φ = 2127321984.

The previous prime is 6780838871. The next prime is 6780838927. The reversal of 6780838926 is 6298380876.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6780838927) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 33239305 + ... + 33239508.

It is an arithmetic number, because the mean of its divisors is an integer number (897463989).

Almost surely, 2^6780838926 is an apocalyptic number.

6780838926 is an abundant number, since it is smaller than the sum of its proper divisors (7578584898).

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

6780838926 is a wasteful number, since it uses less digits than its factorization.

6780838926 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 66478835.

The product of its (nonzero) digits is 6967296, while the sum is 57.

The square root of 6780838926 is about 82345.8494764612. The cubic root of 6780838926 is about 1892.7553222262.

The spelling of 6780838926 in words is "six billion, seven hundred eighty million, eight hundred thirty-eight thousand, nine hundred twenty-six".