487581471 has 64 divisors (see below), whose sum is σ = 844179840. Its totient is φ = 275374080.

The previous prime is 487581469. The next prime is 487581481. The reversal of 487581471 is 174185784.

It is not a de Polignac number, because 487581471 - 2¹ = 487581469 is a prime.

It is a super-3 number, since 3×487581471³ (a number of 27 digits) contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (487581421) 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 in 63 ways as a sum of consecutive naturals, for example, 243651 + ... + 245643.

It is an arithmetic number, because the mean of its divisors is an integer number (13190310).

Almost surely, 2^487581471 is an apocalyptic number.

487581471 is a gapful number since it is divisible by the number (41) formed by its first and last digit.

487581471 is a deficient number, since it is larger than the sum of its proper divisors (356598369).

487581471 is a wasteful number, since it uses less digits than its factorization.

487581471 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2073 (or 2067 counting only the distinct ones).

The product of its digits is 250880, while the sum is 45.

The square root of 487581471 is about 22081.2470435888. The cubic root of 487581471 is about 787.0742987170.

The spelling of 487581471 in words is "four hundred eighty-seven million, five hundred eighty-one thousand, four hundred seventy-one".