6789992378 has 8 divisors (see below), whose sum is σ = 10968449268. Its totient is φ = 3133842624.

The previous prime is 6789992353. The next prime is 6789992383. The reversal of 6789992378 is 8732999876.

It can be written as a sum of positive squares in 2 ways, for example, as 5405631529 + 1384360849 = 73523^2 + 37207^2 .

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

It is a super-2 number, since 2×6789992378² = 92207992986596189768, which contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 130576751 + ... + 130576802.

Almost surely, 2^6789992378 is an apocalyptic number.

6789992378 is a deficient number, since it is larger than the sum of its proper divisors (4178456890).

6789992378 is a wasteful number, since it uses less digits than its factorization.

6789992378 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 261153568.

The product of its digits is 82301184, while the sum is 68.

The square root of 6789992378 is about 82401.4100486151. The cubic root of 6789992378 is about 1893.6066158611.

The spelling of 6789992378 in words is "six billion, seven hundred eighty-nine million, nine hundred ninety-two thousand, three hundred seventy-eight".