47797127737 has 4 divisors (see below), whose sum is σ = 47913991540. Its totient is φ = 47680263936.

The previous prime is 47797127713. The next prime is 47797127753. The reversal of 47797127737 is 73772179774.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 73772179774 = 2 ⋅36886089887.

It can be written as a sum of positive squares in 2 ways, for example, as 45806272576 + 1990855161 = 214024^2 + 44619^2 .

It is a cyclic number.

It is not a de Polignac number, because 47797127737 - 2¹¹ = 47797125689 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (47797124737) by changing a digit.

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 in 3 ways as a sum of consecutive naturals, for example, 58431288 + ... + 58432105.

It is an arithmetic number, because the mean of its divisors is an integer number (11978497885).

Almost surely, 2^47797127737 is an apocalyptic number.

It is an amenable number.

47797127737 is a deficient number, since it is larger than the sum of its proper divisors (116863803).

47797127737 is a wasteful number, since it uses less digits than its factorization.

47797127737 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 116863802.

The product of its digits is 25412184, while the sum is 61.

The spelling of 47797127737 in words is "forty-seven billion, seven hundred ninety-seven million, one hundred twenty-seven thousand, seven hundred thirty-seven".