494585887 has 2 divisors, whose sum is σ = 494585888. Its totient is φ = 494585886.

The previous prime is 494585869. The next prime is 494585891. The reversal of 494585887 is 788585494.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 494585887 - 2¹⁵ = 494553119 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (494585837) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 247292943 + 247292944.

It is an arithmetic number, because the mean of its divisors is an integer number (247292944).

Almost surely, 2^494585887 is an apocalyptic number.

494585887 is a deficient number, since it is larger than the sum of its proper divisors (1).

494585887 is an equidigital number, since it uses as much as digits as its factorization.

494585887 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 12902400, while the sum is 58.

The square root of 494585887 is about 22239.2870164491. The cubic root of 494585887 is about 790.8253335747.

The spelling of 494585887 in words is "four hundred ninety-four million, five hundred eighty-five thousand, eight hundred eighty-seven".