42875859 has 32 divisors (see below), whose sum is σ = 64793344. Its totient is φ = 25038720.

The previous prime is 42875827. The next prime is 42875867. The reversal of 42875859 is 95857824.

It is not a de Polignac number, because 42875859 - 2⁵ = 42875827 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (42875809) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 61704 + ... + 62394.

It is an arithmetic number, because the mean of its divisors is an integer number (2024792).

Almost surely, 2^42875859 is an apocalyptic number.

42875859 is a deficient number, since it is larger than the sum of its proper divisors (21917485).

42875859 is a wasteful number, since it uses less digits than its factorization.

42875859 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 787.

The product of its digits is 806400, while the sum is 48.

The square root of 42875859 is about 6547.9660200707. The cubic root of 42875859 is about 350.0023373994.

It can be divided in two parts, 42875 and 859, that added together give a palindrome (43734).

The spelling of 42875859 in words is "forty-two million, eight hundred seventy-five thousand, eight hundred fifty-nine".