47634487 has 2 divisors, whose sum is σ = 47634488. Its totient is φ = 47634486.

The previous prime is 47634451. The next prime is 47634511. The reversal of 47634487 is 78443674.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 47634487 - 2¹¹ = 47632439 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (47634437) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 23817243 + 23817244.

It is an arithmetic number, because the mean of its divisors is an integer number (23817244).

Almost surely, 2^47634487 is an apocalyptic number.

47634487 is a deficient number, since it is larger than the sum of its proper divisors (1).

47634487 is an equidigital number, since it uses as much as digits as its factorization.

47634487 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 451584, while the sum is 43.

The square root of 47634487 is about 6901.7741921915. The cubic root of 47634487 is about 362.4992932210.

The spelling of 47634487 in words is "forty-seven million, six hundred thirty-four thousand, four hundred eighty-seven".