42085887 has 8 divisors (see below), whose sum is σ = 56883504. Its totient is φ = 27672768.

The previous prime is 42085877. The next prime is 42085919. The reversal of 42085887 is 78858024.

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

It is not a de Polignac number, because 42085887 - 2⁷ = 42085759 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42085847) 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, 95868 + ... + 96305.

It is an arithmetic number, because the mean of its divisors is an integer number (7110438).

Almost surely, 2^42085887 is an apocalyptic number.

42085887 is a deficient number, since it is larger than the sum of its proper divisors (14797617).

42085887 is a wasteful number, since it uses less digits than its factorization.

42085887 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 192249.

The product of its (nonzero) digits is 143360, while the sum is 42.

The square root of 42085887 is about 6487.3636401854. The cubic root of 42085887 is about 347.8394440362.

The spelling of 42085887 in words is "forty-two million, eighty-five thousand, eight hundred eighty-seven".