42486687 has 20 divisors (see below), whose sum is σ = 63667296. Its totient is φ = 28235520.

The previous prime is 42486677. The next prime is 42486733. The reversal of 42486687 is 78668424.

42486687 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 42486687 - 2¹² = 42482591 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42486617) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 34303 + ... + 35519.

Almost surely, 2^42486687 is an apocalyptic number.

42486687 is a deficient number, since it is larger than the sum of its proper divisors (21180609).

42486687 is a wasteful number, since it uses less digits than its factorization.

42486687 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1660 (or 1651 counting only the distinct ones).

The product of its digits is 516096, while the sum is 45.

The square root of 42486687 is about 6518.1812647394. The cubic root of 42486687 is about 348.9401599086.

The spelling of 42486687 in words is "forty-two million, four hundred eighty-six thousand, six hundred eighty-seven".