47892847 has 2 divisors, whose sum is σ = 47892848. Its totient is φ = 47892846.

The previous prime is 47892811. The next prime is 47892853. The reversal of 47892847 is 74829874.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-47892847 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 47892847.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (47892857) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 23946423 + 23946424.

It is an arithmetic number, because the mean of its divisors is an integer number (23946424).

Almost surely, 2^47892847 is an apocalyptic number.

47892847 is a deficient number, since it is larger than the sum of its proper divisors (1).

47892847 is an equidigital number, since it uses as much as digits as its factorization.

47892847 is an evil number, because the sum of its binary digits is even.

The product of its digits is 903168, while the sum is 49.

The square root of 47892847 is about 6920.4658080219. The cubic root of 47892847 is about 363.1534866359.

The spelling of 47892847 in words is "forty-seven million, eight hundred ninety-two thousand, eight hundred forty-seven".