42855875 has 8 divisors (see below), whose sum is σ = 53484288. Its totient is φ = 34284600.

The previous prime is 42855871. The next prime is 42855899. The reversal of 42855875 is 57855824.

It is not a de Polignac number, because 42855875 - 2² = 42855871 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (42855871) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 171299 + ... + 171548.

It is an arithmetic number, because the mean of its divisors is an integer number (6685536).

Almost surely, 2^42855875 is an apocalyptic number.

42855875 is a deficient number, since it is larger than the sum of its proper divisors (10628413).

42855875 is an equidigital number, since it uses as much as digits as its factorization.

42855875 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 342862 (or 342852 counting only the distinct ones).

The product of its digits is 448000, while the sum is 44.

The square root of 42855875 is about 6546.4398721748. The cubic root of 42855875 is about 349.9479514439.

The spelling of 42855875 in words is "forty-two million, eight hundred fifty-five thousand, eight hundred seventy-five".