47824843238 has 4 divisors (see below), whose sum is σ = 71737264860. Its totient is φ = 23912421618.

The previous prime is 47824843229. The next prime is 47824843259. The reversal of 47824843238 is 83234842874.

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

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 47824843238.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11956210808 + ... + 11956210811.

It is an arithmetic number, because the mean of its divisors is an integer number (17934316215).

Almost surely, 2^47824843238 is an apocalyptic number.

47824843238 is a deficient number, since it is larger than the sum of its proper divisors (23912421622).

47824843238 is a wasteful number, since it uses less digits than its factorization.

47824843238 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23912421621.

The product of its digits is 8257536, while the sum is 53.

The spelling of 47824843238 in words is "forty-seven billion, eight hundred twenty-four million, eight hundred forty-three thousand, two hundred thirty-eight".