6988879279 has 8 divisors (see below), whose sum is σ = 7109082000. Its totient is φ = 6868734912.

The previous prime is 6988879267. The next prime is 6988879301. The reversal of 6988879279 is 9729788896.

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

It is a cyclic number.

It is not a de Polignac number, because 6988879279 - 2⁷ = 6988879151 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6988879379) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 276337 + ... + 300565.

It is an arithmetic number, because the mean of its divisors is an integer number (888635250).

Almost surely, 2^6988879279 is an apocalyptic number.

6988879279 is a deficient number, since it is larger than the sum of its proper divisors (120202721).

6988879279 is a wasteful number, since it uses less digits than its factorization.

6988879279 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29177.

The product of its digits is 219469824, while the sum is 73.

The square root of 6988879279 is about 83599.5172175055. The cubic root of 6988879279 is about 1911.9176375671.

The spelling of 6988879279 in words is "six billion, nine hundred eighty-eight million, eight hundred seventy-nine thousand, two hundred seventy-nine".