115842277 has 2 divisors, whose sum is σ = 115842278. Its totient is φ = 115842276.

The previous prime is 115842197. The next prime is 115842299. The reversal of 115842277 is 772248511.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 109537156 + 6305121 = 10466^2 + 2511^2 .

It is a cyclic number.

It is not a de Polignac number, because 115842277 - 2¹⁹ = 115317989 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (115542277) 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, 57921138 + 57921139.

It is an arithmetic number, because the mean of its divisors is an integer number (57921139).

Almost surely, 2^115842277 is an apocalyptic number.

It is an amenable number.

115842277 is a deficient number, since it is larger than the sum of its proper divisors (1).

115842277 is an equidigital number, since it uses as much as digits as its factorization.

115842277 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 31360, while the sum is 37.

The square root of 115842277 is about 10763.0050171873. The cubic root of 115842277 is about 487.4787570844.

It can be divided in two parts, 11584 and 2277, that added together give a triangular number (13861 = T₁₆₆).

The spelling of 115842277 in words is "one hundred fifteen million, eight hundred forty-two thousand, two hundred seventy-seven".