47972186927 has 12 divisors (see below), whose sum is σ = 55964298600. Its totient is φ = 41001183216.

The previous prime is 47972186903. The next prime is 47972187007. The reversal of 47972186927 is 72968127974.

It is not a de Polignac number, because 47972186927 - 2¹⁸ = 47971924783 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 47972186927.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (47972183927) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1385513 + ... + 1419714.

It is an arithmetic number, because the mean of its divisors is an integer number (4663691550).

Almost surely, 2^47972186927 is an apocalyptic number.

47972186927 is a deficient number, since it is larger than the sum of its proper divisors (7992111673).

47972186927 is a wasteful number, since it uses less digits than its factorization.

47972186927 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2805590 (or 2805583 counting only the distinct ones).

The product of its digits is 21337344, while the sum is 62.

The spelling of 47972186927 in words is "forty-seven billion, nine hundred seventy-two million, one hundred eighty-six thousand, nine hundred twenty-seven".