47798143 has 2 divisors, whose sum is σ = 47798144. Its totient is φ = 47798142.

The previous prime is 47798111. The next prime is 47798161. The reversal of 47798143 is 34189774.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 47798143 - 2⁵ = 47798111 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 47798143.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (47798183) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 23899071 + 23899072.

It is an arithmetic number, because the mean of its divisors is an integer number (23899072).

Almost surely, 2^47798143 is an apocalyptic number.

47798143 is a deficient number, since it is larger than the sum of its proper divisors (1).

47798143 is an equidigital number, since it uses as much as digits as its factorization.

47798143 is an evil number, because the sum of its binary digits is even.

The product of its digits is 169344, while the sum is 43.

The square root of 47798143 is about 6913.6201081633. The cubic root of 47798143 is about 362.9139603877.

The spelling of 47798143 in words is "forty-seven million, seven hundred ninety-eight thousand, one hundred forty-three".