8418779 has 2 divisors, whose sum is σ = 8418780. Its totient is φ = 8418778.

The previous prime is 8418719. The next prime is 8418797. The reversal of 8418779 is 9778148.

8418779 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

Together with next prime (8418797) it forms an Ormiston pair, because they use the same digits, order apart.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 8418779 - 2¹⁶ = 8353243 is a prime.

It is a Sophie Germain prime.

It is not a weakly prime, because it can be changed into another prime (8418719) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4209389 + 4209390.

It is an arithmetic number, because the mean of its divisors is an integer number (4209390).

Almost surely, 2^8418779 is an apocalyptic number.

8418779 is a deficient number, since it is larger than the sum of its proper divisors (1).

8418779 is an equidigital number, since it uses as much as digits as its factorization.

8418779 is an evil number, because the sum of its binary digits is even.

The product of its digits is 112896, while the sum is 44.

The square root of 8418779 is about 2901.5132258875. The cubic root of 8418779 is about 203.4306420081.

The spelling of 8418779 in words is "eight million, four hundred eighteen thousand, seven hundred seventy-nine".