42871863 has 8 divisors (see below), whose sum is σ = 58707568. Its totient is φ = 27808704.

The previous prime is 42871823. The next prime is 42871877. The reversal of 42871863 is 36817824.

42871863 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 42871863 - 2⁹ = 42871351 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 (42871823) 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 in 7 ways as a sum of consecutive naturals, for example, 193006 + ... + 193227.

It is an arithmetic number, because the mean of its divisors is an integer number (7338446).

Almost surely, 2^42871863 is an apocalyptic number.

42871863 is a deficient number, since it is larger than the sum of its proper divisors (15835705).

42871863 is a wasteful number, since it uses less digits than its factorization.

42871863 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 386273.

The product of its digits is 64512, while the sum is 39.

The square root of 42871863 is about 6547.6608800395. The cubic root of 42871863 is about 349.9914637374.

It can be divided in two parts, 42871 and 863, that added together give a palindrome (43734).

The spelling of 42871863 in words is "forty-two million, eight hundred seventy-one thousand, eight hundred sixty-three".