996777737 has 2 divisors, whose sum is σ = 996777738. Its totient is φ = 996777736.

The previous prime is 996777701. The next prime is 996777809. The reversal of 996777737 is 737777699.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 939790336 + 56987401 = 30656^2 + 7549^2 .

It is a cyclic number.

It is not a de Polignac number, because 996777737 - 2⁶ = 996777673 is a prime.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 996777737.

It is not a weakly prime, because it can be changed into another prime (996747737) 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, 498388868 + 498388869.

It is an arithmetic number, because the mean of its divisors is an integer number (498388869).

Almost surely, 2^996777737 is an apocalyptic number.

It is an amenable number.

996777737 is a deficient number, since it is larger than the sum of its proper divisors (1).

996777737 is an equidigital number, since it uses as much as digits as its factorization.

996777737 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 24504606, while the sum is 62.

The square root of 996777737 is about 31571.7870415978. The cubic root of 996777737 is about 998.9247565993.

The spelling of 996777737 in words is "nine hundred ninety-six million, seven hundred seventy-seven thousand, seven hundred thirty-seven".