6778131107 has 8 divisors (see below), whose sum is σ = 7423099632. Its totient is φ = 6137958400.

The previous prime is 6778131091. The next prime is 6778131127. The reversal of 6778131107 is 7011318776.

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 6778131107 - 2⁴ = 6778131091 is a prime.

It is a super-2 number, since 2×6778131107² = 91886122607362090898, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (6778131127) 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 7 ways as a sum of consecutive naturals, for example, 1195994 + ... + 1201647.

It is an arithmetic number, because the mean of its divisors is an integer number (927887454).

Almost surely, 2^6778131107 is an apocalyptic number.

6778131107 is a deficient number, since it is larger than the sum of its proper divisors (644968525).

6778131107 is a wasteful number, since it uses less digits than its factorization.

6778131107 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2397909.

The product of its (nonzero) digits is 49392, while the sum is 41.

The square root of 6778131107 is about 82329.4060891976. The cubic root of 6778131107 is about 1892.5033415466.

The spelling of 6778131107 in words is "six billion, seven hundred seventy-eight million, one hundred thirty-one thousand, one hundred seven".