47889337 has 2 divisors, whose sum is σ = 47889338. Its totient is φ = 47889336.

The previous prime is 47889319. The next prime is 47889371. The reversal of 47889337 is 73398874.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 47279376 + 609961 = 6876^2 + 781^2 .

It is a cyclic number.

It is not a de Polignac number, because 47889337 - 2¹¹ = 47887289 is a prime.

It is not a weakly prime, because it can be changed into another prime (47889307) 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 as a sum of consecutive naturals, namely, 23944668 + 23944669.

It is an arithmetic number, because the mean of its divisors is an integer number (23944669).

Almost surely, 2^47889337 is an apocalyptic number.

It is an amenable number.

47889337 is a deficient number, since it is larger than the sum of its proper divisors (1).

47889337 is an equidigital number, since it uses as much as digits as its factorization.

47889337 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1016064, while the sum is 49.

The square root of 47889337 is about 6920.2122077289. The cubic root of 47889337 is about 363.1446147482.

The spelling of 47889337 in words is "forty-seven million, eight hundred eighty-nine thousand, three hundred thirty-seven".