47877 has 4 divisors (see below), whose sum is σ = 63840. Its totient is φ = 31916.

The previous prime is 47869. The next prime is 47881. The reversal of 47877 is 77874.

Added to its reverse (77874) it gives a triangular number (125751 = T₅₀₁).

47877 is digitally balanced in base 2 and base 4, because in such bases it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 47877 - 2³ = 47869 is a prime.

It is a D-number.

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 47877.

It is not an unprimeable number, because it can be changed into a prime (47807) 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, 7977 + ... + 7982.

It is an arithmetic number, because the mean of its divisors is an integer number (15960).

2⁴⁷⁸⁷⁷ is an apocalyptic number.

It is an amenable number.

47877 is a deficient number, since it is larger than the sum of its proper divisors (15963).

47877 is a wasteful number, since it uses less digits than its factorization.

47877 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15962.

The product of its digits is 10976, while the sum is 33.

The square root of 47877 is about 218.8081351321. The cubic root of 47877 is about 36.3113428266.

Adding to 47877 its reverse (77874), we get a triangular number (125751 = T₅₀₁).

It can be divided in two parts, 478 and 77, that added together give a palindrome (555).

The spelling of 47877 in words is "forty-seven thousand, eight hundred seventy-seven".