42877668 has 12 divisors (see below), whose sum is σ = 100047920. Its totient is φ = 14292552.

The previous prime is 42877649. The next prime is 42877669. The reversal of 42877668 is 86677824.

It is a tau number, because it is divible by the number of its divisors (12).

It is a plaindrome in base 11.

It is a zygodrome in base 11.

It is not an unprimeable number, because it can be changed into a prime (42877669) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1786558 + ... + 1786581.

Almost surely, 2^42877668 is an apocalyptic number.

It is an amenable number.

42877668 is an abundant number, since it is smaller than the sum of its proper divisors (57170252).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

42877668 is a wasteful number, since it uses less digits than its factorization.

42877668 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3573146 (or 3573144 counting only the distinct ones).

The product of its digits is 903168, while the sum is 48.

The square root of 42877668 is about 6548.1041531118. The cubic root of 42877668 is about 350.0072597134.

The spelling of 42877668 in words is "forty-two million, eight hundred seventy-seven thousand, six hundred sixty-eight".