47923850247 has 16 divisors (see below), whose sum is σ = 78644267520. Its totient is φ = 25278514272.

The previous prime is 47923850237. The next prime is 47923850251. The reversal of 47923850247 is 74205832974.

It is not a de Polignac number, because 47923850247 - 2⁴ = 47923850231 is a prime.

It is a super-2 number, since 2×47923850247² (a number of 22 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 47923850247.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (47923850237) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 87772347 + ... + 87772892.

It is an arithmetic number, because the mean of its divisors is an integer number (4915266720).

Almost surely, 2^47923850247 is an apocalyptic number.

47923850247 is a deficient number, since it is larger than the sum of its proper divisors (30720417273).

47923850247 is a wasteful number, since it uses less digits than its factorization.

47923850247 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 175545262.

The product of its (nonzero) digits is 3386880, while the sum is 51.

The spelling of 47923850247 in words is "forty-seven billion, nine hundred twenty-three million, eight hundred fifty thousand, two hundred forty-seven".