114991777 has 2 divisors, whose sum is σ = 114991778. Its totient is φ = 114991776.

The previous prime is 114991763. The next prime is 114991787. The reversal of 114991777 is 777199411.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 114725521 + 266256 = 10711^2 + 516^2 .

It is an emirp because it is prime and its reverse (777199411) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 114991777 - 2¹⁹ = 114467489 is a prime.

It is not a weakly prime, because it can be changed into another prime (114991787) 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, 57495888 + 57495889.

It is an arithmetic number, because the mean of its divisors is an integer number (57495889).

Almost surely, 2^114991777 is an apocalyptic number.

It is an amenable number.

114991777 is a deficient number, since it is larger than the sum of its proper divisors (1).

114991777 is an equidigital number, since it uses as much as digits as its factorization.

114991777 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 111132, while the sum is 46.

The square root of 114991777 is about 10723.4218885578. The cubic root of 114991777 is about 486.2828221115.

The spelling of 114991777 in words is "one hundred fourteen million, nine hundred ninety-one thousand, seven hundred seventy-seven".