1079779 has 2 divisors, whose sum is σ = 1079780. Its totient is φ = 1079778.

The previous prime is 1079777. The next prime is 1079783. The reversal of 1079779 is 9779701.

It is a happy number.

It is a weak prime.

It is an emirp because it is prime and its reverse (9779701) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1079779 - 2¹ = 1079777 is a prime.

Together with 1079777, it forms a pair of twin primes.

1079779 is a lucky number.

It is not a weakly prime, because it can be changed into another prime (1079777) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 539889 + 539890.

It is an arithmetic number, because the mean of its divisors is an integer number (539890).

2^1079779 is an apocalyptic number.

1079779 is a deficient number, since it is larger than the sum of its proper divisors (1).

1079779 is an equidigital number, since it uses as much as digits as its factorization.

1079779 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 27783, while the sum is 40.

The square root of 1079779 is about 1039.1241504267. The cubic root of 1079779 is about 102.5915580883.

The spelling of 1079779 in words is "one million, seventy-nine thousand, seven hundred seventy-nine".