243000047678 has 4 divisors (see below), whose sum is σ = 364500071520. Its totient is φ = 121500023838.

The previous prime is 243000047659. The next prime is 243000047683. The reversal of 243000047678 is 876740000342.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 60750011918 + ... + 60750011921.

It is an arithmetic number, because the mean of its divisors is an integer number (91125017880).

Almost surely, 2^243000047678 is an apocalyptic number.

243000047678 is a deficient number, since it is larger than the sum of its proper divisors (121500023842).

243000047678 is a wasteful number, since it uses less digits than its factorization.

243000047678 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 121500023841.

The product of its (nonzero) digits is 225792, while the sum is 41.

The spelling of 243000047678 in words is "two hundred forty-three billion, forty-seven thousand, six hundred seventy-eight".