13875000047 has 2 divisors, whose sum is σ = 13875000048. Its totient is φ = 13875000046.

The previous prime is 13875000031. The next prime is 13875000067. The reversal of 13875000047 is 74000057831.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 13875000047 - 2⁴ = 13875000031 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 13874999980 and 13875000016.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (13875000067) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6937500023 + 6937500024.

It is an arithmetic number, because the mean of its divisors is an integer number (6937500024).

Almost surely, 2^13875000047 is an apocalyptic number.

13875000047 is a deficient number, since it is larger than the sum of its proper divisors (1).

13875000047 is an equidigital number, since it uses as much as digits as its factorization.

13875000047 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 23520, while the sum is 35.

Adding to 13875000047 its reverse (74000057831), we get a palindrome (87875057878).

The spelling of 13875000047 in words is "thirteen billion, eight hundred seventy-five million, forty-seven", and thus it is an aban number.