47863 has 4 divisors (see below), whose sum is σ = 49968. Its totient is φ = 45760.

The previous prime is 47857. The next prime is 47869. The reversal of 47863 is 36874.

It is a semiprime because it is the product of two primes.

It is an interprime number because it is at equal distance from previous prime (47857) and next prime (47869).

It is a cyclic number.

It is not a de Polignac number, because 47863 - 2⁹ = 47351 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 (47869) 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, 1018 + ... + 1063.

It is an arithmetic number, because the mean of its divisors is an integer number (12492).

2⁴⁷⁸⁶³ is an apocalyptic number.

47863 is a deficient number, since it is larger than the sum of its proper divisors (2105).

47863 is a wasteful number, since it uses less digits than its factorization.

47863 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2104.

The product of its digits is 4032, while the sum is 28.

The square root of 47863 is about 218.7761412952. The cubic root of 47863 is about 36.3078031425.

The spelling of 47863 in words is "forty-seven thousand, eight hundred sixty-three".