109916579 has 2 divisors, whose sum is σ = 109916580. Its totient is φ = 109916578.

The previous prime is 109916567. The next prime is 109916621. The reversal of 109916579 is 975619901.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 109916579 - 2²⁰ = 108868003 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (109916519) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 54958289 + 54958290.

It is an arithmetic number, because the mean of its divisors is an integer number (54958290).

Almost surely, 2^109916579 is an apocalyptic number.

109916579 is a deficient number, since it is larger than the sum of its proper divisors (1).

109916579 is an equidigital number, since it uses as much as digits as its factorization.

109916579 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 153090, while the sum is 47.

The square root of 109916579 is about 10484.1107872819. The cubic root of 109916579 is about 479.0208323365.

The spelling of 109916579 in words is "one hundred nine million, nine hundred sixteen thousand, five hundred seventy-nine".