79843445 has 16 divisors (see below), whose sum is σ = 107896320. Its totient is φ = 56193600.

The previous prime is 79843403. The next prime is 79843469. The reversal of 79843445 is 54434897.

It is a de Polignac number, because none of the positive numbers 2^k-79843445 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 79843396 and 79843405.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 21710 + ... + 25119.

It is an arithmetic number, because the mean of its divisors is an integer number (6743520).

Almost surely, 2^79843445 is an apocalyptic number.

It is an amenable number.

79843445 is a deficient number, since it is larger than the sum of its proper divisors (28052875).

79843445 is a wasteful number, since it uses less digits than its factorization.

79843445 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 46876.

The product of its digits is 483840, while the sum is 44.

The square root of 79843445 is about 8935.5159336213. The cubic root of 79843445 is about 430.6056815236.

The spelling of 79843445 in words is "seventy-nine million, eight hundred forty-three thousand, four hundred forty-five".