42086853 has 6 divisors (see below), whose sum is σ = 60792134. Its totient is φ = 28057896.

The previous prime is 42086831. The next prime is 42086867. The reversal of 42086853 is 35868024.

It can be written as a sum of positive squares in only one way, i.e., 39917124 + 2169729 = 6318^2 + 1473^2 .

It is not a de Polignac number, because 42086853 - 2¹² = 42082757 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42086873) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 2338150 + ... + 2338167.

Almost surely, 2^42086853 is an apocalyptic number.

It is an amenable number.

42086853 is a deficient number, since it is larger than the sum of its proper divisors (18705281).

42086853 is a wasteful number, since it uses less digits than its factorization.

42086853 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4676323 (or 4676320 counting only the distinct ones).

The product of its (nonzero) digits is 46080, while the sum is 36.

The square root of 42086853 is about 6487.4380921902. The cubic root of 42086853 is about 347.8421053427.

The spelling of 42086853 in words is "forty-two million, eighty-six thousand, eight hundred fifty-three".