996888961 has 2 divisors, whose sum is σ = 996888962. Its totient is φ = 996888960.

The previous prime is 996888953. The next prime is 996889001. The reversal of 996888961 is 169888699.

996888961 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 965034225 + 31854736 = 31065^2 + 5644^2 .

It is a cyclic number.

It is not a de Polignac number, because 996888961 - 2³ = 996888953 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 996888893 and 996888902.

It is not a weakly prime, because it can be changed into another prime (996888161) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 498444480 + 498444481.

It is an arithmetic number, because the mean of its divisors is an integer number (498444481).

Almost surely, 2^996888961 is an apocalyptic number.

It is an amenable number.

996888961 is a deficient number, since it is larger than the sum of its proper divisors (1).

996888961 is an equidigital number, since it uses as much as digits as its factorization.

996888961 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 13436928, while the sum is 64.

The square root of 996888961 is about 31573.5484385268. The cubic root of 996888961 is about 998.9619097415.

The spelling of 996888961 in words is "nine hundred ninety-six million, eight hundred eighty-eight thousand, nine hundred sixty-one".