4157887 has 2 divisors, whose sum is σ = 4157888. Its totient is φ = 4157886.

The previous prime is 4157869. The next prime is 4157891. The reversal of 4157887 is 7887514.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 4157887 - 2¹¹ = 4155839 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (4157807) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2078943 + 2078944.

It is an arithmetic number, because the mean of its divisors is an integer number (2078944).

Almost surely, 2^4157887 is an apocalyptic number.

4157887 is a deficient number, since it is larger than the sum of its proper divisors (1).

4157887 is an equidigital number, since it uses as much as digits as its factorization.

4157887 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 62720, while the sum is 40.

The square root of 4157887 is about 2039.0897479022. The cubic root of 4157887 is about 160.8017956244.

The spelling of 4157887 in words is "four million, one hundred fifty-seven thousand, eight hundred eighty-seven".