42768599 has 2 divisors, whose sum is σ = 42768600. Its totient is φ = 42768598.

The previous prime is 42768521. The next prime is 42768611. The reversal of 42768599 is 99586724.

It is a happy number.

42768599 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-42768599 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (42768899) 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, 21384299 + 21384300.

It is an arithmetic number, because the mean of its divisors is an integer number (21384300).

Almost surely, 2^42768599 is an apocalyptic number.

42768599 is a deficient number, since it is larger than the sum of its proper divisors (1).

42768599 is an equidigital number, since it uses as much as digits as its factorization.

42768599 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1088640, while the sum is 50.

The square root of 42768599 is about 6539.7705617246. The cubic root of 42768599 is about 349.7102336369.

The spelling of 42768599 in words is "forty-two million, seven hundred sixty-eight thousand, five hundred ninety-nine".