495439787 has 2 divisors, whose sum is σ = 495439788. Its totient is φ = 495439786.

The previous prime is 495439739. The next prime is 495439793. The reversal of 495439787 is 787934594.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 495439787 - 2¹⁰ = 495438763 is a prime.

It is not a weakly prime, because it can be changed into another prime (495439727) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 247719893 + 247719894.

It is an arithmetic number, because the mean of its divisors is an integer number (247719894).

Almost surely, 2^495439787 is an apocalyptic number.

495439787 is a deficient number, since it is larger than the sum of its proper divisors (1).

495439787 is an equidigital number, since it uses as much as digits as its factorization.

495439787 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 7620480, while the sum is 56.

The square root of 495439787 is about 22258.4767448269. The cubic root of 495439787 is about 791.2801905345.

The spelling of 495439787 in words is "four hundred ninety-five million, four hundred thirty-nine thousand, seven hundred eighty-seven".