79199443 has 2 divisors, whose sum is σ = 79199444. Its totient is φ = 79199442.

The previous prime is 79199441. The next prime is 79199473. The reversal of 79199443 is 34499197.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 79199443 - 2¹ = 79199441 is a prime.

Together with 79199441, it forms a pair of twin primes.

It is a junction number, because it is equal to n+sod(n) for n = 79199393 and 79199402.

It is not a weakly prime, because it can be changed into another prime (79199441) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 39599721 + 39599722.

It is an arithmetic number, because the mean of its divisors is an integer number (39599722).

Almost surely, 2^79199443 is an apocalyptic number.

79199443 is a deficient number, since it is larger than the sum of its proper divisors (1).

79199443 is an equidigital number, since it uses as much as digits as its factorization.

79199443 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 244944, while the sum is 46.

The square root of 79199443 is about 8899.4068903495. The cubic root of 79199443 is about 429.4448270618. Note that the first 3 decimals are identical.

The spelling of 79199443 in words is "seventy-nine million, one hundred ninety-nine thousand, four hundred forty-three".