79443841 has 2 divisors, whose sum is σ = 79443842. Its totient is φ = 79443840.

The previous prime is 79443829. The next prime is 79443853. The reversal of 79443841 is 14834497.

It is a balanced prime because it is at equal distance from previous prime (79443829) and next prime (79443853).

It can be written as a sum of positive squares in only one way, i.e., 42185025 + 37258816 = 6495^2 + 6104^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-79443841 is a prime.

It is a super-2 number, since 2×79443841² = 12622647745666562, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 79443794 and 79443803.

It is not a weakly prime, because it can be changed into another prime (79443811) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 39721920 + 39721921.

It is an arithmetic number, because the mean of its divisors is an integer number (39721921).

Almost surely, 2^79443841 is an apocalyptic number.

It is an amenable number.

79443841 is a deficient number, since it is larger than the sum of its proper divisors (1).

79443841 is an equidigital number, since it uses as much as digits as its factorization.

79443841 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 96768, while the sum is 40.

The square root of 79443841 is about 8913.1274533690. The cubic root of 79443841 is about 429.8861082900.

The spelling of 79443841 in words is "seventy-nine million, four hundred forty-three thousand, eight hundred forty-one".