79224829 has 2 divisors, whose sum is σ = 79224830. Its totient is φ = 79224828.

The previous prime is 79224799. The next prime is 79224841. The reversal of 79224829 is 92842297.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 51451929 + 27772900 = 7173^2 + 5270^2 .

It is a cyclic number.

It is not a de Polignac number, because 79224829 - 2⁷ = 79224701 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (79224529) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 39612414 + 39612415.

It is an arithmetic number, because the mean of its divisors is an integer number (39612415).

Almost surely, 2^79224829 is an apocalyptic number.

It is an amenable number.

79224829 is a deficient number, since it is larger than the sum of its proper divisors (1).

79224829 is an equidigital number, since it uses as much as digits as its factorization.

79224829 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 145152, while the sum is 43.

The square root of 79224829 is about 8900.8330509003. The cubic root of 79224829 is about 429.4907058432.

The spelling of 79224829 in words is "seventy-nine million, two hundred twenty-four thousand, eight hundred twenty-nine".