243000047679 has 8 divisors (see below), whose sum is σ = 329311540272. Its totient is φ = 159344293440.

The previous prime is 243000047659. The next prime is 243000047683. The reversal of 243000047679 is 976740000342.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 243000047679 - 2¹⁶ = 242999982143 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 243000047679.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (243000047659) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 663934374 + ... + 663934739.

It is an arithmetic number, because the mean of its divisors is an integer number (41163942534).

Almost surely, 2^243000047679 is an apocalyptic number.

243000047679 is a deficient number, since it is larger than the sum of its proper divisors (86311492593).

243000047679 is a wasteful number, since it uses less digits than its factorization.

243000047679 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1327869177.

The product of its (nonzero) digits is 254016, while the sum is 42.

The spelling of 243000047679 in words is "two hundred forty-three billion, forty-seven thousand, six hundred seventy-nine".