42277619 has 2 divisors, whose sum is σ = 42277620. Its totient is φ = 42277618.

The previous prime is 42277597. The next prime is 42277633. The reversal of 42277619 is 91677224.

42277619 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 not a de Polignac number, because 42277619 - 2²⁰ = 41229043 is a prime.

It is a super-2 number, since 2×42277619² = 3574794136618322, which contains 22 as substring.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (42277699) 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, 21138809 + 21138810.

It is an arithmetic number, because the mean of its divisors is an integer number (21138810).

Almost surely, 2^42277619 is an apocalyptic number.

42277619 is a deficient number, since it is larger than the sum of its proper divisors (1).

42277619 is an equidigital number, since it uses as much as digits as its factorization.

42277619 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 42336, while the sum is 38.

The square root of 42277619 is about 6502.1241913701. The cubic root of 42277619 is about 348.3668649502.

The spelling of 42277619 in words is "forty-two million, two hundred seventy-seven thousand, six hundred nineteen".