47725424072881 has 3 divisors (see below), whose sum is σ = 47725430981241. Its totient is φ = 47725417164522.

The previous prime is 47725424072869. The next prime is 47725424072927. The reversal of 47725424072881 is 18827042452774.

The square root of 47725424072881 is 6908359.

It is a perfect power (a square), and thus also a powerful number.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is not a de Polignac number, because 47725424072881 - 2⁹ = 47725424072369 is a prime.

It is a super-2 number, since 2×47725424072881² (a number of 28 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (47725424072581) by changing a digit.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 3454180 + ... + 10362538.

It is an arithmetic number, because the mean of its divisors is an integer number (15908476993747).

Almost surely, 2^{47725424072881} is an apocalyptic number.

47725424072881 is the 6908359-th square number.

47725424072881 is the 3454180-th centered octagonal number.

It is an amenable number.

47725424072881 is a deficient number, since it is larger than the sum of its proper divisors (6908360).

47725424072881 is an frugal number, since it uses more digits than its factorization.

47725424072881 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13816718 (or 6908359 counting only the distinct ones).

The product of its (nonzero) digits is 56197120, while the sum is 61.

The spelling of 47725424072881 in words is "forty-seven trillion, seven hundred twenty-five billion, four hundred twenty-four million, seventy-two thousand, eight hundred eighty-one".