42877870 has 64 divisors (see below), whose sum is σ = 94049280. Its totient is φ = 13747968.

The previous prime is 42877847. The next prime is 42877871. The reversal of 42877870 is 7877824.

42877870 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42877871) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 136834 + ... + 137146.

It is an arithmetic number, because the mean of its divisors is an integer number (1469520).

Almost surely, 2^42877870 is an apocalyptic number.

42877870 is an abundant number, since it is smaller than the sum of its proper divisors (51171410).

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

42877870 is a wasteful number, since it uses less digits than its factorization.

42877870 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 449.

The product of its (nonzero) digits is 175616, while the sum is 43.

The square root of 42877870 is about 6548.1195774054. The cubic root of 42877870 is about 350.0078093496.

The spelling of 42877870 in words is "forty-two million, eight hundred seventy-seven thousand, eight hundred seventy".