487071671 has 2 divisors, whose sum is σ = 487071672. Its totient is φ = 487071670.

The previous prime is 487071649. The next prime is 487071679. The reversal of 487071671 is 176170784.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 487071671 - 2¹⁸ = 486809527 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (487071679) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 243535835 + 243535836.

It is an arithmetic number, because the mean of its divisors is an integer number (243535836).

Almost surely, 2^487071671 is an apocalyptic number.

487071671 is a deficient number, since it is larger than the sum of its proper divisors (1).

487071671 is an equidigital number, since it uses as much as digits as its factorization.

487071671 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 65856, while the sum is 41.

The square root of 487071671 is about 22069.7002924825. The cubic root of 487071671 is about 786.7998895993.

The spelling of 487071671 in words is "four hundred eighty-seven million, seventy-one thousand, six hundred seventy-one".