6777046139 has 2 divisors, whose sum is σ = 6777046140. Its totient is φ = 6777046138.

The previous prime is 6777046127. The next prime is 6777046193. The reversal of 6777046139 is 9316407776.

It is a happy number.

Together with next prime (6777046193) it forms an Ormiston pair, because they use the same digits, order apart.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 6777046139 - 2⁸ = 6777045883 is a prime.

It is not a weakly prime, because it can be changed into another prime (6777846139) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3388523069 + 3388523070.

It is an arithmetic number, because the mean of its divisors is an integer number (3388523070).

Almost surely, 2^6777046139 is an apocalyptic number.

6777046139 is a deficient number, since it is larger than the sum of its proper divisors (1).

6777046139 is an equidigital number, since it uses as much as digits as its factorization.

6777046139 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1333584, while the sum is 50.

The square root of 6777046139 is about 82322.8166367016. The cubic root of 6777046139 is about 1892.4023591814.

The spelling of 6777046139 in words is "six billion, seven hundred seventy-seven million, forty-six thousand, one hundred thirty-nine".