996145177 has 2 divisors, whose sum is σ = 996145178. Its totient is φ = 996145176.

The previous prime is 996145159. The next prime is 996145231. The reversal of 996145177 is 771541699.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 750157321 + 245987856 = 27389^2 + 15684^2 .

It is a cyclic number.

It is not a de Polignac number, because 996145177 - 2¹¹ = 996143129 is a prime.

It is a super-2 number, since 2×996145177² = 1984610427320722658, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 996145177.

It is not a weakly prime, because it can be changed into another prime (996145127) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 498072588 + 498072589.

It is an arithmetic number, because the mean of its divisors is an integer number (498072589).

Almost surely, 2^996145177 is an apocalyptic number.

It is an amenable number.

996145177 is a deficient number, since it is larger than the sum of its proper divisors (1).

996145177 is an equidigital number, since it uses as much as digits as its factorization.

996145177 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 476280, while the sum is 49.

The square root of 996145177 is about 31561.7676469491. The cubic root of 996145177 is about 998.7134043816.

The spelling of 996145177 in words is "nine hundred ninety-six million, one hundred forty-five thousand, one hundred seventy-seven".