6800777077 has 2 divisors, whose sum is σ = 6800777078. Its totient is φ = 6800777076.

The previous prime is 6800777069. The next prime is 6800777083. The reversal of 6800777077 is 7707770086.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 6581914641 + 218862436 = 81129^2 + 14794^2 .

It is a cyclic number.

It is not a de Polignac number, because 6800777077 - 2³ = 6800777069 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 6800777077.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (6800727077) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3400388538 + 3400388539.

It is an arithmetic number, because the mean of its divisors is an integer number (3400388539).

Almost surely, 2^6800777077 is an apocalyptic number.

It is an amenable number.

6800777077 is a deficient number, since it is larger than the sum of its proper divisors (1).

6800777077 is an equidigital number, since it uses as much as digits as its factorization.

6800777077 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 806736, while the sum is 49.

The square root of 6800777077 is about 82466.8240991491. The cubic root of 6800777077 is about 1894.6086383250.

The spelling of 6800777077 in words is "six billion, eight hundred million, seven hundred seventy-seven thousand, seventy-seven".