79289443 has 2 divisors, whose sum is σ = 79289444. Its totient is φ = 79289442.

The previous prime is 79289401. The next prime is 79289459. The reversal of 79289443 is 34498297.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-79289443 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 79289393 and 79289402.

It is not a weakly prime, because it can be changed into another prime (79289843) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 39644721 + 39644722.

It is an arithmetic number, because the mean of its divisors is an integer number (39644722).

Almost surely, 2^79289443 is an apocalyptic number.

79289443 is a deficient number, since it is larger than the sum of its proper divisors (1).

79289443 is an equidigital number, since it uses as much as digits as its factorization.

79289443 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 435456, while the sum is 46.

The square root of 79289443 is about 8904.4619713939. The cubic root of 79289443 is about 429.6074351221.

It can be divided in two parts, 7928 and 9443, that added together give a palindrome (17371).

The spelling of 79289443 in words is "seventy-nine million, two hundred eighty-nine thousand, four hundred forty-three".