42487885 has 16 divisors (see below), whose sum is σ = 56054592. Its totient is φ = 30659200.

The previous prime is 42487883. The next prime is 42487889. The reversal of 42487885 is 58878424.

It is a happy number.

It is not a de Polignac number, because 42487885 - 2¹ = 42487883 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42487883) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4257 + ... + 10153.

It is an arithmetic number, because the mean of its divisors is an integer number (3503412).

Almost surely, 2^42487885 is an apocalyptic number.

It is an amenable number.

42487885 is a deficient number, since it is larger than the sum of its proper divisors (13566707).

42487885 is a wasteful number, since it uses less digits than its factorization.

42487885 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6044.

The product of its digits is 573440, while the sum is 46.

The square root of 42487885 is about 6518.2731608916. The cubic root of 42487885 is about 348.9434395742.

The spelling of 42487885 in words is "forty-two million, four hundred eighty-seven thousand, eight hundred eighty-five".