47752279 has 2 divisors, whose sum is σ = 47752280. Its totient is φ = 47752278.

The previous prime is 47752277. The next prime is 47752291. The reversal of 47752279 is 97225774.

47752279 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 47752279 - 2¹ = 47752277 is a prime.

Together with 47752277, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (47752277) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 23876139 + 23876140.

It is an arithmetic number, because the mean of its divisors is an integer number (23876140).

Almost surely, 2^47752279 is an apocalyptic number.

47752279 is a deficient number, since it is larger than the sum of its proper divisors (1).

47752279 is an equidigital number, since it uses as much as digits as its factorization.

47752279 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 246960, while the sum is 43.

The square root of 47752279 is about 6910.3023812276. The cubic root of 47752279 is about 362.7978470034.

The spelling of 47752279 in words is "forty-seven million, seven hundred fifty-two thousand, two hundred seventy-nine".