47872667121 has 16 divisors (see below), whose sum is σ = 67254834240. Its totient is φ = 30206062080.

The previous prime is 47872667113. The next prime is 47872667149. The reversal of 47872667121 is 12176627874.

It is not a de Polignac number, because 47872667121 - 2³ = 47872667113 is a prime.

It is not an unprimeable number, because it can be changed into a prime (47872667221) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 347640 + ... + 465401.

It is an arithmetic number, because the mean of its divisors is an integer number (4203427140).

Almost surely, 2^47872667121 is an apocalyptic number.

It is an amenable number.

47872667121 is a deficient number, since it is larger than the sum of its proper divisors (19382167119).

47872667121 is a wasteful number, since it uses less digits than its factorization.

47872667121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 814096.

The product of its digits is 1580544, while the sum is 51.

The spelling of 47872667121 in words is "forty-seven billion, eight hundred seventy-two million, six hundred sixty-seven thousand, one hundred twenty-one".