47248871 has 4 divisors (see below), whose sum is σ = 47265552. Its totient is φ = 47232192.

The previous prime is 47248853. The next prime is 47248879. The reversal of 47248871 is 17884274.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 17884274 = 2 ⋅8942137.

It is a cyclic number.

It is not a de Polignac number, because 47248871 - 2⁶ = 47248807 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (47248879) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2915 + ... + 10148.

It is an arithmetic number, because the mean of its divisors is an integer number (11816388).

Almost surely, 2^47248871 is an apocalyptic number.

47248871 is a deficient number, since it is larger than the sum of its proper divisors (16681).

47248871 is a wasteful number, since it uses less digits than its factorization.

47248871 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16680.

The product of its digits is 100352, while the sum is 41.

The square root of 47248871 is about 6873.7814192772. The cubic root of 47248871 is about 361.5184601847.

The spelling of 47248871 in words is "forty-seven million, two hundred forty-eight thousand, eight hundred seventy-one".