42875886 has 8 divisors (see below), whose sum is σ = 85751784. Its totient is φ = 14291960.

The previous prime is 42875881. The next prime is 42875909. The reversal of 42875886 is 68857824.

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

42875886 is an admirable number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42875881) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3572985 + ... + 3572996.

It is an arithmetic number, because the mean of its divisors is an integer number (10718973).

Almost surely, 2^42875886 is an apocalyptic number.

42875886 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

42875886 is a wasteful number, since it uses less digits than its factorization.

42875886 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7145986.

The product of its digits is 860160, while the sum is 48.

The square root of 42875886 is about 6547.9680817793. The cubic root of 42875886 is about 350.0024108677.

The spelling of 42875886 in words is "forty-two million, eight hundred seventy-five thousand, eight hundred eighty-six".