487727405 has 24 divisors (see below), whose sum is σ = 646804536. Its totient is φ = 352788480.

The previous prime is 487727353. The next prime is 487727407. The reversal of 487727405 is 504727784.

It can be written as a sum of positive squares in 4 ways, for example, as 88247236 + 399480169 = 9394^2 + 19987^2 .

It is not a de Polignac number, because 487727405 - 2¹⁰ = 487726381 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (487727407) 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, 114677 + ... + 118853.

It is an arithmetic number, because the mean of its divisors is an integer number (26950189).

Almost surely, 2^487727405 is an apocalyptic number.

It is an amenable number.

487727405 is a deficient number, since it is larger than the sum of its proper divisors (159077131).

487727405 is a wasteful number, since it uses less digits than its factorization.

487727405 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4397 (or 4386 counting only the distinct ones).

The product of its (nonzero) digits is 439040, while the sum is 44.

The square root of 487727405 is about 22084.5512745901. The cubic root of 487727405 is about 787.1528151292.

The spelling of 487727405 in words is "four hundred eighty-seven million, seven hundred twenty-seven thousand, four hundred five".