42687867087 has 12 divisors (see below), whose sum is σ = 61717946680. Its totient is φ = 28431949968.

The previous prime is 42687867067. The next prime is 42687867091. The reversal of 42687867087 is 78076878624.

42687867087 is a `hidden beast` number, since 426 + 8 + 78 + 67 + 0 + 87 = 666.

42687867087 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 42687867087 - 2⁷ = 42687866959 is a prime.

It is a super-3 number, since 3×42687867087³ (a number of 33 digits) contains 333 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42687867007) 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, 2208853 + ... + 2228094.

Almost surely, 2^42687867087 is an apocalyptic number.

42687867087 is a deficient number, since it is larger than the sum of its proper divisors (19030079593).

42687867087 is a wasteful number, since it uses less digits than its factorization.

42687867087 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4438022 (or 4438019 counting only the distinct ones).

The product of its (nonzero) digits is 50577408, while the sum is 63.

The spelling of 42687867087 in words is "forty-two billion, six hundred eighty-seven million, eight hundred sixty-seven thousand, eighty-seven".