79447443 has 16 divisors (see below), whose sum is σ = 116030880. Its totient is φ = 48129536.

The previous prime is 79447429. The next prime is 79447447. The reversal of 79447443 is 34474497.

It is a cyclic number.

It is not a de Polignac number, because 79447443 - 2⁹ = 79446931 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 79447395 and 79447404.

It is not an unprimeable number, because it can be changed into a prime (79447447) 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 in 15 ways as a sum of consecutive naturals, for example, 25380 + ... + 28337.

It is an arithmetic number, because the mean of its divisors is an integer number (7251930).

Almost surely, 2^79447443 is an apocalyptic number.

79447443 is a deficient number, since it is larger than the sum of its proper divisors (36583437).

79447443 is a wasteful number, since it uses less digits than its factorization.

79447443 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 53766.

The product of its digits is 338688, while the sum is 42.

The square root of 79447443 is about 8913.3295125896. The cubic root of 79447443 is about 429.8926052332.

The spelling of 79447443 in words is "seventy-nine million, four hundred forty-seven thousand, four hundred forty-three".