47271878089 has 2 divisors, whose sum is σ = 47271878090. Its totient is φ = 47271878088.

The previous prime is 47271878063. The next prime is 47271878111. The reversal of 47271878089 is 98087817274.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 33184087225 + 14087790864 = 182165^2 + 118692^2 .

It is a cyclic number.

It is not a de Polignac number, because 47271878089 - 2²¹ = 47269780937 is a prime.

It is a super-2 number, since 2×47271878089² (a number of 22 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (47271878789) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 23635939044 + 23635939045.

It is an arithmetic number, because the mean of its divisors is an integer number (23635939045).

Almost surely, 2^47271878089 is an apocalyptic number.

It is an amenable number.

47271878089 is a deficient number, since it is larger than the sum of its proper divisors (1).

47271878089 is an equidigital number, since it uses as much as digits as its factorization.

47271878089 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 12644352, while the sum is 61.

The spelling of 47271878089 in words is "forty-seven billion, two hundred seventy-one million, eight hundred seventy-eight thousand, eighty-nine".