47613287 has 2 divisors, whose sum is σ = 47613288. Its totient is φ = 47613286.

The previous prime is 47613283. The next prime is 47613299. The reversal of 47613287 is 78231674.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 47613287 - 2² = 47613283 is a prime.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 47613287.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (47613281) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 23806643 + 23806644.

It is an arithmetic number, because the mean of its divisors is an integer number (23806644).

Almost surely, 2^47613287 is an apocalyptic number.

47613287 is a deficient number, since it is larger than the sum of its proper divisors (1).

47613287 is an equidigital number, since it uses as much as digits as its factorization.

47613287 is an evil number, because the sum of its binary digits is even.

The product of its digits is 56448, while the sum is 38.

The square root of 47613287 is about 6900.2381842948. The cubic root of 47613287 is about 362.4455077820.

The spelling of 47613287 in words is "forty-seven million, six hundred thirteen thousand, two hundred eighty-seven".