41987887 has 2 divisors, whose sum is σ = 41987888. Its totient is φ = 41987886.

The previous prime is 41987879. The next prime is 41987899. The reversal of 41987887 is 78878914.

41987887 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 41987887 - 2³ = 41987879 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (41987287) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20993943 + 20993944.

It is an arithmetic number, because the mean of its divisors is an integer number (20993944).

Almost surely, 2^41987887 is an apocalyptic number.

41987887 is a deficient number, since it is larger than the sum of its proper divisors (1).

41987887 is an equidigital number, since it uses as much as digits as its factorization.

41987887 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 903168, while the sum is 52.

The square root of 41987887 is about 6479.8060927778. The cubic root of 41987887 is about 347.5692445211.

It can be divided in two parts, 4 and 1987887, that added together give a palindrome (1987891).

The spelling of 41987887 in words is "forty-one million, nine hundred eighty-seven thousand, eight hundred eighty-seven".