6777777914 has 8 divisors (see below), whose sum is σ = 10167699828. Its totient is φ = 3388544640.

The previous prime is 6777777913. The next prime is 6777777917. The reversal of 6777777914 is 4197777776.

6777777914 is digitally balanced in base 5, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 6655785889 + 121992025 = 81583^2 + 11045^2 .

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 (6777777913) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 146807 + ... + 187370.

Almost surely, 2^6777777914 is an apocalyptic number.

6777777914 is a deficient number, since it is larger than the sum of its proper divisors (3389921914).

6777777914 is a wasteful number, since it uses less digits than its factorization.

6777777914 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 344320.

The product of its digits is 25412184, while the sum is 62.

The square root of 6777777914 is about 82327.2610621779. The cubic root of 6777777914 is about 1892.4704696270.

The spelling of 6777777914 in words is "six billion, seven hundred seventy-seven million, seven hundred seventy-seven thousand, nine hundred fourteen".