42008487 has 24 divisors (see below), whose sum is σ = 59984640. Its totient is φ = 26142480.

The previous prime is 42008467. The next prime is 42008497. The reversal of 42008487 is 78480024.

It is not a de Polignac number, because 42008487 - 2¹⁰ = 42007463 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42008437) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 85312 + ... + 85802.

It is an arithmetic number, because the mean of its divisors is an integer number (2499360).

Almost surely, 2^42008487 is an apocalyptic number.

42008487 is a deficient number, since it is larger than the sum of its proper divisors (17976153).

42008487 is a wasteful number, since it uses less digits than its factorization.

42008487 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 611 (or 592 counting only the distinct ones).

The product of its (nonzero) digits is 14336, while the sum is 33.

The square root of 42008487 is about 6481.3954515984. The cubic root of 42008487 is about 347.6260764341.

The spelling of 42008487 in words is "forty-two million, eight thousand, four hundred eighty-seven".