6928939976 has 64 divisors (see below), whose sum is σ = 15621137280. Its totient is φ = 2818782720.

The previous prime is 6928939973. The next prime is 6928939993. The reversal of 6928939976 is 6799398296.

It is not an unprimeable number, because it can be changed into a prime (6928939973) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 44171 + ... + 125733.

It is an arithmetic number, because the mean of its divisors is an integer number (244080270).

Almost surely, 2^6928939976 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 6928939976, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (7810568640).

6928939976 is an abundant number, since it is smaller than the sum of its proper divisors (8692197304).

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

6928939976 is a wasteful number, since it uses less digits than its factorization.

6928939976 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 81654 (or 81650 counting only the distinct ones).

The product of its digits is 79361856, while the sum is 68.

The square root of 6928939976 is about 83240.2545406968. The cubic root of 6928939976 is about 1906.4361580649.

The spelling of 6928939976 in words is "six billion, nine hundred twenty-eight million, nine hundred thirty-nine thousand, nine hundred seventy-six".