487585729 has 24 divisors (see below), whose sum is σ = 525805280. Its totient is φ = 451809792.

The previous prime is 487585723. The next prime is 487585739. The reversal of 487585729 is 927585784.

It is not a de Polignac number, because 487585729 - 2¹³ = 487577537 is a prime.

It is a super-2 number, since 2×487585729² = 475479686248922882, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 487585729.

It is not an unprimeable number, because it can be changed into a prime (487585723) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 3507742 + ... + 3507880.

Almost surely, 2^487585729 is an apocalyptic number.

It is an amenable number.

487585729 is a deficient number, since it is larger than the sum of its proper divisors (38219551).

487585729 is a wasteful number, since it uses less digits than its factorization.

487585729 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 337 (or 308 counting only the distinct ones).

The product of its digits is 5644800, while the sum is 55.

The square root of 487585729 is about 22081.3434600343. The cubic root of 487585729 is about 787.0765898573.

Adding to 487585729 its sum of digits (55), we get a palindrome (487585784).

The spelling of 487585729 in words is "four hundred eighty-seven million, five hundred eighty-five thousand, seven hundred twenty-nine".