6978238912 has 56 divisors (see below), whose sum is σ = 14347850400. Its totient is φ = 3363419136.

The previous prime is 6978238907. The next prime is 6978238963. The reversal of 6978238912 is 2198328796.

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, 1313253 + ... + 1318555.

Almost surely, 2^6978238912 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 6978238912, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (7173925200).

6978238912 is an abundant number, since it is smaller than the sum of its proper divisors (7369611488).

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

6978238912 is a wasteful number, since it uses less digits than its factorization.

6978238912 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6053 (or 6043 counting only the distinct ones).

The product of its digits is 2612736, while the sum is 55.

The square root of 6978238912 is about 83535.8540508206. The cubic root of 6978238912 is about 1910.9468649344.

The spelling of 6978238912 in words is "six billion, nine hundred seventy-eight million, two hundred thirty-eight thousand, nine hundred twelve".