487385471 has 2 divisors, whose sum is σ = 487385472. Its totient is φ = 487385470.

The previous prime is 487385467. The next prime is 487385519. The reversal of 487385471 is 174583784.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 487385471 - 2² = 487385467 is a prime.

It is a super-3 number, since 3×487385471³ (a number of 27 digits) contains 333 as substring.

It is a Sophie Germain prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (487385401) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 243692735 + 243692736.

It is an arithmetic number, because the mean of its divisors is an integer number (243692736).

Almost surely, 2^487385471 is an apocalyptic number.

487385471 is a deficient number, since it is larger than the sum of its proper divisors (1).

487385471 is an equidigital number, since it uses as much as digits as its factorization.

487385471 is an evil number, because the sum of its binary digits is even.

The product of its digits is 752640, while the sum is 47.

The square root of 487385471 is about 22076.8084423451. The cubic root of 487385471 is about 786.9688207971.

The spelling of 487385471 in words is "four hundred eighty-seven million, three hundred eighty-five thousand, four hundred seventy-one".