79941419 has 2 divisors, whose sum is σ = 79941420. Its totient is φ = 79941418.

The previous prime is 79941413. The next prime is 79941427. The reversal of 79941419 is 91414997.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 79941419 - 2⁸ = 79941163 is a prime.

It is a super-2 number, since 2×79941419² = 12781260943467122, which contains 22 as substring.

It is a Sophie Germain prime.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 79941419.

It is not a weakly prime, because it can be changed into another prime (79941413) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 39970709 + 39970710.

It is an arithmetic number, because the mean of its divisors is an integer number (39970710).

Almost surely, 2^79941419 is an apocalyptic number.

79941419 is a deficient number, since it is larger than the sum of its proper divisors (1).

79941419 is an equidigital number, since it uses as much as digits as its factorization.

79941419 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 81648, while the sum is 44.

The square root of 79941419 is about 8940.9965328256. The cubic root of 79941419 is about 430.7817382088.

The spelling of 79941419 in words is "seventy-nine million, nine hundred forty-one thousand, four hundred nineteen".