42803871 has 12 divisors (see below), whose sum is σ = 62732376. Its totient is φ = 25941520.

The previous prime is 42803861. The next prime is 42803879. The reversal of 42803871 is 17830824.

42803871 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 42803871 - 2⁷ = 42803743 is a prime.

It is a Smith number, since the sum of its digits (33) coincides with the sum of the digits of its prime factors.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42803879) 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 11 ways as a sum of consecutive naturals, for example, 58596 + ... + 59321.

It is an arithmetic number, because the mean of its divisors is an integer number (5227698).

Almost surely, 2^42803871 is an apocalyptic number.

42803871 is a deficient number, since it is larger than the sum of its proper divisors (19928505).

42803871 is a wasteful number, since it uses less digits than its factorization.

42803871 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 117942 (or 117931 counting only the distinct ones).

The product of its (nonzero) digits is 10752, while the sum is 33.

The square root of 42803871 is about 6542.4667366369. The cubic root of 42803871 is about 349.8063445707.

The spelling of 42803871 in words is "forty-two million, eight hundred three thousand, eight hundred seventy-one".