6778207043 has 16 divisors (see below), whose sum is σ = 7019249664. Its totient is φ = 6541093440.

The previous prime is 6778207027. The next prime is 6778207049. The reversal of 6778207043 is 3407028776.

It is a cyclic number.

It is not a de Polignac number, because 6778207043 - 2⁴ = 6778207027 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 6778206985 and 6778207003.

It is not an unprimeable number, because it can be changed into a prime (6778207049) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1909196 + ... + 1912742.

It is an arithmetic number, because the mean of its divisors is an integer number (438703104).

Almost surely, 2^6778207043 is an apocalyptic number.

6778207043 is a deficient number, since it is larger than the sum of its proper divisors (241042621).

6778207043 is a wasteful number, since it uses less digits than its factorization.

6778207043 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4082.

The product of its (nonzero) digits is 395136, while the sum is 44.

The square root of 6778207043 is about 82329.8672597011. The cubic root of 6778207043 is about 1892.5104088141.

The spelling of 6778207043 in words is "six billion, seven hundred seventy-eight million, two hundred seven thousand, forty-three".