79944349 has 2 divisors, whose sum is σ = 79944350. Its totient is φ = 79944348.

The previous prime is 79944331. The next prime is 79944391. The reversal of 79944349 is 94344997.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 65367225 + 14577124 = 8085^2 + 3818^2 .

It is a cyclic number.

It is not a de Polignac number, because 79944349 - 2⁵ = 79944317 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (79944649) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 39972174 + 39972175.

It is an arithmetic number, because the mean of its divisors is an integer number (39972175).

Almost surely, 2^79944349 is an apocalyptic number.

It is an amenable number.

79944349 is a deficient number, since it is larger than the sum of its proper divisors (1).

79944349 is an equidigital number, since it uses as much as digits as its factorization.

79944349 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 979776, while the sum is 49.

The square root of 79944349 is about 8941.1603833060. The cubic root of 79944349 is about 430.7870011254.

The spelling of 79944349 in words is "seventy-nine million, nine hundred forty-four thousand, three hundred forty-nine".