996677317 has 2 divisors, whose sum is σ = 996677318. Its totient is φ = 996677316.

The previous prime is 996677273. The next prime is 996677333. The reversal of 996677317 is 713776699.

It is a happy number.

996677317 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 498450276 + 498227041 = 22326^2 + 22321^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-996677317 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (996677117) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 498338658 + 498338659.

It is an arithmetic number, because the mean of its divisors is an integer number (498338659).

Almost surely, 2^996677317 is an apocalyptic number.

It is an amenable number.

996677317 is a deficient number, since it is larger than the sum of its proper divisors (1).

996677317 is an equidigital number, since it uses as much as digits as its factorization.

996677317 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 3000564, while the sum is 55.

The square root of 996677317 is about 31570.1966576073. The cubic root of 996677317 is about 998.8912100392.

The spelling of 996677317 in words is "nine hundred ninety-six million, six hundred seventy-seven thousand, three hundred seventeen".