8779319 has 2 divisors, whose sum is σ = 8779320. Its totient is φ = 8779318.

The previous prime is 8779313. The next prime is 8779321. The reversal of 8779319 is 9139778.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 8779319 - 2⁸ = 8779063 is a prime.

It is a super-2 number, since 2×8779319² = 154152884207522, which contains 22 as substring.

Together with 8779321, it forms a pair of twin primes.

It is a Chen prime.

It is an Ulam number.

It is a self number, because there is not a number n which added to its sum of digits gives 8779319.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (8779313) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4389659 + 4389660.

It is an arithmetic number, because the mean of its divisors is an integer number (4389660).

Almost surely, 2^8779319 is an apocalyptic number.

8779319 is a deficient number, since it is larger than the sum of its proper divisors (1).

8779319 is an equidigital number, since it uses as much as digits as its factorization.

8779319 is an evil number, because the sum of its binary digits is even.

The product of its digits is 95256, while the sum is 44.

The square root of 8779319 is about 2962.9915625935. The cubic root of 8779319 is about 206.2941645246.

The spelling of 8779319 in words is "eight million, seven hundred seventy-nine thousand, three hundred nineteen".