9979163 has 2 divisors, whose sum is σ = 9979164. Its totient is φ = 9979162.

The previous prime is 9979127. The next prime is 9979169. The reversal of 9979163 is 3619799.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 9979163 - 2¹² = 9975067 is a prime.

It is not a weakly prime, because it can be changed into another prime (9979169) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4989581 + 4989582.

It is an arithmetic number, because the mean of its divisors is an integer number (4989582).

Almost surely, 2^9979163 is an apocalyptic number.

9979163 is a deficient number, since it is larger than the sum of its proper divisors (1).

9979163 is an equidigital number, since it uses as much as digits as its factorization.

9979163 is an evil number, because the sum of its binary digits is even.

The product of its digits is 91854, while the sum is 44.

The square root of 9979163 is about 3158.9813231483. The cubic root of 9979163 is about 215.2937250957.

The spelling of 9979163 in words is "nine million, nine hundred seventy-nine thousand, one hundred sixty-three".