47072087 has 2 divisors, whose sum is σ = 47072088. Its totient is φ = 47072086.

The previous prime is 47072009. The next prime is 47072093. The reversal of 47072087 is 78027074.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 47072087 - 2⁸ = 47071831 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 (47072587) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 23536043 + 23536044.

It is an arithmetic number, because the mean of its divisors is an integer number (23536044).

Almost surely, 2^47072087 is an apocalyptic number.

47072087 is a deficient number, since it is larger than the sum of its proper divisors (1).

47072087 is an equidigital number, since it uses as much as digits as its factorization.

47072087 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 21952, while the sum is 35.

The square root of 47072087 is about 6860.9100708288. The cubic root of 47072087 is about 361.0670169189.

The spelling of 47072087 in words is "forty-seven million, seventy-two thousand, eighty-seven".