42285087 has 12 divisors (see below), whose sum is σ = 65776984. Its totient is φ = 26021520.

The previous prime is 42285083. The next prime is 42285091. The reversal of 42285087 is 78058224.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (42285083) and next prime (42285091).

It is not a de Polignac number, because 42285087 - 2² = 42285083 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42285083) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 180589 + ... + 180822.

Almost surely, 2^42285087 is an apocalyptic number.

42285087 is a deficient number, since it is larger than the sum of its proper divisors (23491897).

42285087 is a wasteful number, since it uses less digits than its factorization.

42285087 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 361430 (or 361427 counting only the distinct ones).

The product of its (nonzero) digits is 35840, while the sum is 36.

The square root of 42285087 is about 6502.6984398786. The cubic root of 42285087 is about 348.3873758071.

The spelling of 42285087 in words is "forty-two million, two hundred eighty-five thousand, eighty-seven".