487785497 has 2 divisors, whose sum is σ = 487785498. Its totient is φ = 487785496.

The previous prime is 487785479. The next prime is 487785503. The reversal of 487785497 is 794587784.

Together with previous prime (487785479) it forms an Ormiston pair, because they use the same digits, order apart.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 268271641 + 219513856 = 16379^2 + 14816^2 .

It is a cyclic number.

It is not a de Polignac number, because 487785497 - 2⁶ = 487785433 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (487785427) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 243892748 + 243892749.

It is an arithmetic number, because the mean of its divisors is an integer number (243892749).

Almost surely, 2^487785497 is an apocalyptic number.

It is an amenable number.

487785497 is a deficient number, since it is larger than the sum of its proper divisors (1).

487785497 is an equidigital number, since it uses as much as digits as its factorization.

487785497 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 15805440, while the sum is 59.

The square root of 487785497 is about 22085.8664534584. The cubic root of 487785497 is about 787.1840658275.

The spelling of 487785497 in words is "four hundred eighty-seven million, seven hundred eighty-five thousand, four hundred ninety-seven".