16794779 has 2 divisors, whose sum is σ = 16794780. Its totient is φ = 16794778.

The previous prime is 16794773. The next prime is 16794797. The reversal of 16794779 is 97749761.

It is a happy number.

Together with next prime (16794797) it forms an Ormiston pair, because they use the same digits, order apart.

It is a weak prime.

It is an emirp because it is prime and its reverse (97749761) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 16794779 - 2⁸ = 16794523 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (16794773) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8397389 + 8397390.

It is an arithmetic number, because the mean of its divisors is an integer number (8397390).

Almost surely, 2^16794779 is an apocalyptic number.

16794779 is a deficient number, since it is larger than the sum of its proper divisors (1).

16794779 is an equidigital number, since it uses as much as digits as its factorization.

16794779 is an evil number, because the sum of its binary digits is even.

The product of its digits is 666792, while the sum is 50.

The square root of 16794779 is about 4098.1433601083. The cubic root of 16794779 is about 256.0892988842.

The spelling of 16794779 in words is "sixteen million, seven hundred ninety-four thousand, seven hundred seventy-nine".