42677783 has 2 divisors, whose sum is σ = 42677784. Its totient is φ = 42677782.

The previous prime is 42677777. The next prime is 42677807. The reversal of 42677783 is 38777624.

42677783 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 42677783 - 2¹⁶ = 42612247 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (42677083) 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 as a sum of consecutive naturals, namely, 21338891 + 21338892.

It is an arithmetic number, because the mean of its divisors is an integer number (21338892).

Almost surely, 2^42677783 is an apocalyptic number.

42677783 is a deficient number, since it is larger than the sum of its proper divisors (1).

42677783 is an equidigital number, since it uses as much as digits as its factorization.

42677783 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 395136, while the sum is 44.

The square root of 42677783 is about 6532.8235090197. The cubic root of 42677783 is about 349.4625301708.

The spelling of 42677783 in words is "forty-two million, six hundred seventy-seven thousand, seven hundred eighty-three".