6777136061 has 2 divisors, whose sum is σ = 6777136062. Its totient is φ = 6777136060.

The previous prime is 6777136013. The next prime is 6777136097. The reversal of 6777136061 is 1606317776.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 4038602500 + 2738533561 = 63550^2 + 52331^2 .

It is a cyclic number.

It is not a de Polignac number, because 6777136061 - 2¹⁰ = 6777135037 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (6777133061) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3388568030 + 3388568031.

It is an arithmetic number, because the mean of its divisors is an integer number (3388568031).

Almost surely, 2^6777136061 is an apocalyptic number.

It is an amenable number.

6777136061 is a deficient number, since it is larger than the sum of its proper divisors (1).

6777136061 is an equidigital number, since it uses as much as digits as its factorization.

6777136061 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 222264, while the sum is 44.

The square root of 6777136061 is about 82323.3627896723. The cubic root of 6777136061 is about 1892.4107289957.

The spelling of 6777136061 in words is "six billion, seven hundred seventy-seven million, one hundred thirty-six thousand, sixty-one".