115773157777 has 2 divisors, whose sum is σ = 115773157778. Its totient is φ = 115773157776.

The previous prime is 115773157771. The next prime is 115773157813. The reversal of 115773157777 is 777751377511.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 74629497856 + 41143659921 = 273184^2 + 202839^2 .

It is a cyclic number.

It is not a de Polignac number, because 115773157777 - 2¹⁵ = 115773125009 is a prime.

It is not a weakly prime, because it can be changed into another prime (115773157771) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 57886578888 + 57886578889.

It is an arithmetic number, because the mean of its divisors is an integer number (57886578889).

Almost surely, 2^115773157777 is an apocalyptic number.

It is an amenable number.

115773157777 is a deficient number, since it is larger than the sum of its proper divisors (1).

115773157777 is an equidigital number, since it uses as much as digits as its factorization.

115773157777 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 8823675, while the sum is 58.

The spelling of 115773157777 in words is "one hundred fifteen billion, seven hundred seventy-three million, one hundred fifty-seven thousand, seven hundred seventy-seven".