8116208077 has 2 divisors, whose sum is σ = 8116208078. Its totient is φ = 8116208076.

The previous prime is 8116208059. The next prime is 8116208129. The reversal of 8116208077 is 7708026118.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 5045829156 + 3070378921 = 71034^2 + 55411^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-8116208077 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (8116238077) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4058104038 + 4058104039.

It is an arithmetic number, because the mean of its divisors is an integer number (4058104039).

Almost surely, 2^8116208077 is an apocalyptic number.

It is an amenable number.

8116208077 is a deficient number, since it is larger than the sum of its proper divisors (1).

8116208077 is an equidigital number, since it uses as much as digits as its factorization.

8116208077 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 37632, while the sum is 40.

The square root of 8116208077 is about 90089.9998723499. Note that the first 3 decimals coincide. The cubic root of 8116208077 is about 2009.6374912031.

The spelling of 8116208077 in words is "eight billion, one hundred sixteen million, two hundred eight thousand, seventy-seven".