47267287 has 2 divisors, whose sum is σ = 47267288. Its totient is φ = 47267286.

The previous prime is 47267279. The next prime is 47267347. The reversal of 47267287 is 78276274.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 47267287 - 2³ = 47267279 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (47267237) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 23633643 + 23633644.

It is an arithmetic number, because the mean of its divisors is an integer number (23633644).

Almost surely, 2^47267287 is an apocalyptic number.

47267287 is a deficient number, since it is larger than the sum of its proper divisors (1).

47267287 is an equidigital number, since it uses as much as digits as its factorization.

47267287 is an evil number, because the sum of its binary digits is even.

The product of its digits is 263424, while the sum is 43.

The square root of 47267287 is about 6875.1208716647. The cubic root of 47267287 is about 361.5654232763.

The spelling of 47267287 in words is "forty-seven million, two hundred sixty-seven thousand, two hundred eighty-seven".