994516777 has 2 divisors, whose sum is σ = 994516778. Its totient is φ = 994516776.

The previous prime is 994516769. The next prime is 994516793. The reversal of 994516777 is 777615499.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 964661481 + 29855296 = 31059^2 + 5464^2 .

It is a cyclic number.

It is not a de Polignac number, because 994516777 - 2³ = 994516769 is a prime.

It is not a weakly prime, because it can be changed into another prime (994516727) 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, 497258388 + 497258389.

It is an arithmetic number, because the mean of its divisors is an integer number (497258389).

Almost surely, 2^994516777 is an apocalyptic number.

It is an amenable number.

994516777 is a deficient number, since it is larger than the sum of its proper divisors (1).

994516777 is an equidigital number, since it uses as much as digits as its factorization.

994516777 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 3333960, while the sum is 55.

The square root of 994516777 is about 31535.9600614917. The cubic root of 994516777 is about 998.1689081491.

The spelling of 994516777 in words is "nine hundred ninety-four million, five hundred sixteen thousand, seven hundred seventy-seven".