42687184868 has 24 divisors (see below), whose sum is σ = 77314003200. Its totient is φ = 20598145568.

The previous prime is 42687184831. The next prime is 42687184873. The reversal of 42687184868 is 86848178624.

It is a super-3 number, since 3×42687184868³ (a number of 33 digits) contains 333 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 42687184868.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 172643 + ... + 339381.

It is an arithmetic number, because the mean of its divisors is an integer number (3221416800).

Almost surely, 2^42687184868 is an apocalyptic number.

It is an amenable number.

42687184868 is a deficient number, since it is larger than the sum of its proper divisors (34626818332).

42687184868 is a wasteful number, since it uses less digits than its factorization.

42687184868 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 168979 (or 168977 counting only the distinct ones).

The product of its digits is 33030144, while the sum is 62.

The spelling of 42687184868 in words is "forty-two billion, six hundred eighty-seven million, one hundred eighty-four thousand, eight hundred sixty-eight".