42060087 has 24 divisors (see below), whose sum is σ = 64425840. Its totient is φ = 27118800.

The previous prime is 42060079. The next prime is 42060089. The reversal of 42060087 is 78006024.

It is not a de Polignac number, because 42060087 - 2³ = 42060079 is a prime.

It is a Smith number, since the sum of its digits (27) coincides with the sum of the digits of its prime factors.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a self number, because there is not a number n which added to its sum of digits gives 42060087.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42060089) 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, 25137 + ... + 26757.

It is an arithmetic number, because the mean of its divisors is an integer number (2684410).

Almost surely, 2^42060087 is an apocalyptic number.

42060087 is a deficient number, since it is larger than the sum of its proper divisors (22365753).

42060087 is a wasteful number, since it uses less digits than its factorization.

42060087 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1692 (or 1655 counting only the distinct ones).

The product of its (nonzero) digits is 2688, while the sum is 27.

The square root of 42060087 is about 6485.3748542393. The cubic root of 42060087 is about 347.7683505909.

The spelling of 42060087 in words is "forty-two million, sixty thousand, eighty-seven".