6987991714 has 8 divisors (see below), whose sum is σ = 11434895568. Its totient is φ = 3176359860.

The previous prime is 6987991711. The next prime is 6987991727. The reversal of 6987991714 is 4171997896.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (6987991711) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 158817972 + ... + 158818015.

It is an arithmetic number, because the mean of its divisors is an integer number (1429361946).

Almost surely, 2^6987991714 is an apocalyptic number.

6987991714 is a deficient number, since it is larger than the sum of its proper divisors (4446903854).

6987991714 is a wasteful number, since it uses less digits than its factorization.

6987991714 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 317636000.

The product of its digits is 6858432, while the sum is 61.

The square root of 6987991714 is about 83594.2086151906. The cubic root of 6987991714 is about 1911.8366983611.

The spelling of 6987991714 in words is "six billion, nine hundred eighty-seven million, nine hundred ninety-one thousand, seven hundred fourteen".