6776138273 has 16 divisors (see below), whose sum is σ = 7349664960. Its totient is φ = 6222375936.

The previous prime is 6776138269. The next prime is 6776138293. The reversal of 6776138273 is 3728316776.

It is a cyclic number.

It is not a de Polignac number, because 6776138273 - 2² = 6776138269 is a prime.

It is a Smith number, since the sum of its digits (50) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (6776138263) 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, 732986 + ... + 742172.

It is an arithmetic number, because the mean of its divisors is an integer number (459354060).

Almost surely, 2^6776138273 is an apocalyptic number.

It is an amenable number.

6776138273 is a deficient number, since it is larger than the sum of its proper divisors (573526687).

6776138273 is a wasteful number, since it uses less digits than its factorization.

6776138273 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10256.

The product of its digits is 1778112, while the sum is 50.

The square root of 6776138273 is about 82317.3023914171. The cubic root of 6776138273 is about 1892.3178521338.

The spelling of 6776138273 in words is "six billion, seven hundred seventy-six million, one hundred thirty-eight thousand, two hundred seventy-three".