42769827 has 12 divisors (see below), whose sum is σ = 61888320. Its totient is φ = 28462608.

The previous prime is 42769819. The next prime is 42769829. The reversal of 42769827 is 72896724.

42769827 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 42769827 - 2³ = 42769819 is a prime.

It is a Smith number, since the sum of its digits (45) coincides with the sum of the digits of its prime factors.

It is not an unprimeable number, because it can be changed into a prime (42769829) 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 11 ways as a sum of consecutive naturals, for example, 1549 + ... + 9377.

It is an arithmetic number, because the mean of its divisors is an integer number (5157360).

Almost surely, 2^42769827 is an apocalyptic number.

42769827 is a deficient number, since it is larger than the sum of its proper divisors (19118493).

42769827 is a wasteful number, since it uses less digits than its factorization.

42769827 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8442 (or 8439 counting only the distinct ones).

The product of its digits is 338688, while the sum is 45.

The square root of 42769827 is about 6539.8644481365. The cubic root of 42769827 is about 349.7135806412.

The spelling of 42769827 in words is "forty-two million, seven hundred sixty-nine thousand, eight hundred twenty-seven".