47275687 has 2 divisors, whose sum is σ = 47275688. Its totient is φ = 47275686.

The previous prime is 47275639. The next prime is 47275693. The reversal of 47275687 is 78657274.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-47275687 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (47275637) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 23637843 + 23637844.

It is an arithmetic number, because the mean of its divisors is an integer number (23637844).

Almost surely, 2^47275687 is an apocalyptic number.

47275687 is a deficient number, since it is larger than the sum of its proper divisors (1).

47275687 is an equidigital number, since it uses as much as digits as its factorization.

47275687 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 658560, while the sum is 46.

The square root of 47275687 is about 6875.7317428765. The cubic root of 47275687 is about 361.5868402707.

The spelling of 47275687 in words is "forty-seven million, two hundred seventy-five thousand, six hundred eighty-seven".