996981107 has 2 divisors, whose sum is σ = 996981108. Its totient is φ = 996981106.

The previous prime is 996981067. The next prime is 996981109. The reversal of 996981107 is 701189699.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 996981107 - 2⁸ = 996980851 is a prime.

Together with 996981109, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (996981109) 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, 498490553 + 498490554.

It is an arithmetic number, because the mean of its divisors is an integer number (498490554).

Almost surely, 2^996981107 is an apocalyptic number.

996981107 is a deficient number, since it is larger than the sum of its proper divisors (1).

996981107 is an equidigital number, since it uses as much as digits as its factorization.

996981107 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 244944, while the sum is 50.

The square root of 996981107 is about 31575.0076326198. The cubic root of 996981107 is about 998.9926879966.

The spelling of 996981107 in words is "nine hundred ninety-six million, nine hundred eighty-one thousand, one hundred seven".