42887685 has 32 divisors (see below), whose sum is σ = 73370880. Its totient is φ = 21316608.

The previous prime is 42887683. The next prime is 42887687. The reversal of 42887685 is 58678824.

It is an interprime number because it is at equal distance from previous prime (42887683) and next prime (42887687).

It is not a de Polignac number, because 42887685 - 2¹ = 42887683 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42887683) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 27024 + ... + 28566.

It is an arithmetic number, because the mean of its divisors is an integer number (2292840).

Almost surely, 2^42887685 is an apocalyptic number.

It is an amenable number.

42887685 is a deficient number, since it is larger than the sum of its proper divisors (30483195).

42887685 is a wasteful number, since it uses less digits than its factorization.

42887685 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1677.

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

The square root of 42887685 is about 6548.8689863212. The cubic root of 42887685 is about 350.0345136033.

The spelling of 42887685 in words is "forty-two million, eight hundred eighty-seven thousand, six hundred eighty-five".