47873108121 has 4 divisors (see below), whose sum is σ = 63830810832. Its totient is φ = 31915405412.

The previous prime is 47873108093. The next prime is 47873108161. The reversal of 47873108121 is 12180137874.

47873108121 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 47873108121 - 2⁶ = 47873108057 is a prime.

It is not an unprimeable number, because it can be changed into a prime (47873108161) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7978851351 + ... + 7978851356.

It is an arithmetic number, because the mean of its divisors is an integer number (15957702708).

Almost surely, 2^47873108121 is an apocalyptic number.

It is an amenable number.

47873108121 is a deficient number, since it is larger than the sum of its proper divisors (15957702711).

47873108121 is a wasteful number, since it uses less digits than its factorization.

47873108121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15957702710.

The product of its (nonzero) digits is 75264, while the sum is 42.

The spelling of 47873108121 in words is "forty-seven billion, eight hundred seventy-three million, one hundred eight thousand, one hundred twenty-one".