115993504777 has 2 divisors, whose sum is σ = 115993504778. Its totient is φ = 115993504776.

The previous prime is 115993504721. The next prime is 115993504801. The reversal of 115993504777 is 777405399511.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 64853752896 + 51139751881 = 254664^2 + 226141^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-115993504777 is a prime.

It is not a weakly prime, because it can be changed into another prime (115993504717) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 57996752388 + 57996752389.

It is an arithmetic number, because the mean of its divisors is an integer number (57996752389).

Almost surely, 2^115993504777 is an apocalyptic number.

It is an amenable number.

115993504777 is a deficient number, since it is larger than the sum of its proper divisors (1).

115993504777 is an equidigital number, since it uses as much as digits as its factorization.

115993504777 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 8334900, while the sum is 58.

The spelling of 115993504777 in words is "one hundred fifteen billion, nine hundred ninety-three million, five hundred four thousand, seven hundred seventy-seven".