6678238712 has 32 divisors (see below), whose sum is σ = 13429443600. Its totient is φ = 3103686144.

The previous prime is 6678238691. The next prime is 6678238747. The reversal of 6678238712 is 2178328766.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 406433 + ... + 422544.

Almost surely, 2^6678238712 is an apocalyptic number.

It is an amenable number.

6678238712 is an abundant number, since it is smaller than the sum of its proper divisors (6751204888).

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

6678238712 is a wasteful number, since it uses less digits than its factorization.

6678238712 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 829055 (or 829051 counting only the distinct ones).

The product of its digits is 1354752, while the sum is 50.

The square root of 6678238712 is about 81720.4913837405. The cubic root of 6678238712 is about 1883.1603994464.

The spelling of 6678238712 in words is "six billion, six hundred seventy-eight million, two hundred thirty-eight thousand, seven hundred twelve".