996427979 has 2 divisors, whose sum is σ = 996427980. Its totient is φ = 996427978.

The previous prime is 996427973. The next prime is 996428029. The reversal of 996427979 is 979724699.

It is a happy number.

996427979 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 is an emirp because it is prime and its reverse (979724699) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 996427979 - 2²⁸ = 727992523 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (996427973) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 498213989 + 498213990.

It is an arithmetic number, because the mean of its divisors is an integer number (498213990).

Almost surely, 2^996427979 is an apocalyptic number.

996427979 is a deficient number, since it is larger than the sum of its proper divisors (1).

996427979 is an equidigital number, since it uses as much as digits as its factorization.

996427979 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 15431472, while the sum is 62.

The square root of 996427979 is about 31566.2474646576. The cubic root of 996427979 is about 998.8079058095.

The spelling of 996427979 in words is "nine hundred ninety-six million, four hundred twenty-seven thousand, nine hundred seventy-nine".