47127665428 has 6 divisors (see below), whose sum is σ = 82473414506. Its totient is φ = 23563832712.

The previous prime is 47127665411. The next prime is 47127665443. The reversal of 47127665428 is 82456672174.

It can be written as a sum of positive squares in only one way, i.e., 42003682704 + 5123982724 = 204948^2 + 71582^2 .

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5890958175 + ... + 5890958182.

Almost surely, 2^47127665428 is an apocalyptic number.

It is an amenable number.

47127665428 is a deficient number, since it is larger than the sum of its proper divisors (35345749078).

47127665428 is a wasteful number, since it uses less digits than its factorization.

47127665428 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11781916361 (or 11781916359 counting only the distinct ones).

The product of its digits is 4515840, while the sum is 52.

The spelling of 47127665428 in words is "forty-seven billion, one hundred twenty-seven million, six hundred sixty-five thousand, four hundred twenty-eight".