4878187 has 2 divisors, whose sum is σ = 4878188. Its totient is φ = 4878186.

The previous prime is 4878163. The next prime is 4878217. The reversal of 4878187 is 7818784.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-4878187 is a prime.

It is not a weakly prime, because it can be changed into another prime (4872187) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2439093 + 2439094.

It is an arithmetic number, because the mean of its divisors is an integer number (2439094).

Almost surely, 2^4878187 is an apocalyptic number.

4878187 is a deficient number, since it is larger than the sum of its proper divisors (1).

4878187 is an equidigital number, since it uses as much as digits as its factorization.

4878187 is an evil number, because the sum of its binary digits is even.

The product of its digits is 100352, while the sum is 43.

The square root of 4878187 is about 2208.6618120482. The cubic root of 4878187 is about 169.5975138141.

The spelling of 4878187 in words is "four million, eight hundred seventy-eight thousand, one hundred eighty-seven".