47727827139 has 4 divisors (see below), whose sum is σ = 63637102856. Its totient is φ = 31818551424.

The previous prime is 47727827087. The next prime is 47727827149. The reversal of 47727827139 is 93172872774.

47727827139 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.

It is not a de Polignac number, because 47727827139 - 2²⁰ = 47726778563 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (47727827149) 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, 7954637854 + ... + 7954637859.

It is an arithmetic number, because the mean of its divisors is an integer number (15909275714).

Almost surely, 2^47727827139 is an apocalyptic number.

47727827139 is a deficient number, since it is larger than the sum of its proper divisors (15909275717).

47727827139 is a wasteful number, since it uses less digits than its factorization.

47727827139 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15909275716.

The product of its digits is 8297856, while the sum is 57.

The spelling of 47727827139 in words is "forty-seven billion, seven hundred twenty-seven million, eight hundred twenty-seven thousand, one hundred thirty-nine".