42877783 has 16 divisors (see below), whose sum is σ = 47965120. Its totient is φ = 38071296.

The previous prime is 42877777. The next prime is 42877801. The reversal of 42877783 is 38777824.

42877783 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-42877783 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42877753) 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 15 ways as a sum of consecutive naturals, for example, 46198 + ... + 47116.

It is an arithmetic number, because the mean of its divisors is an integer number (2997820).

Almost surely, 2^42877783 is an apocalyptic number.

42877783 is a deficient number, since it is larger than the sum of its proper divisors (5087337).

42877783 is a wasteful number, since it uses less digits than its factorization.

42877783 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1066.

The product of its digits is 526848, while the sum is 46.

The square root of 42877783 is about 6548.1129342735. The cubic root of 42877783 is about 350.0075726253.

It can be divided in two parts, 42877 and 783, that added together give a triangular number (43660 = T₂₉₅).

The spelling of 42877783 in words is "forty-two million, eight hundred seventy-seven thousand, seven hundred eighty-three".