115945777 has 2 divisors, whose sum is σ = 115945778. Its totient is φ = 115945776.

The previous prime is 115945751. The next prime is 115945787. The reversal of 115945777 is 777549511.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 90554256 + 25391521 = 9516^2 + 5039^2 .

It is a cyclic number.

It is not a de Polignac number, because 115945777 - 2¹⁵ = 115913009 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (115945727) 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, 57972888 + 57972889.

It is an arithmetic number, because the mean of its divisors is an integer number (57972889).

Almost surely, 2^115945777 is an apocalyptic number.

It is an amenable number.

115945777 is a deficient number, since it is larger than the sum of its proper divisors (1).

115945777 is an equidigital number, since it uses as much as digits as its factorization.

115945777 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 308700, while the sum is 46.

The square root of 115945777 is about 10767.8120804553. The cubic root of 115945777 is about 487.6238941736.

It can be divided in two parts, 11594 and 5777, that added together give a palindrome (17371).

The spelling of 115945777 in words is "one hundred fifteen million, nine hundred forty-five thousand, seven hundred seventy-seven".