487438085 has 16 divisors (see below), whose sum is σ = 599051376. Its totient is φ = 380610048.

The previous prime is 487438073. The next prime is 487438087. The reversal of 487438085 is 580834784.

It is a Cunningham number, because it is equal to 22078²+1.

It can be written as a sum of positive squares in 8 ways, for example, as 175456516 + 311981569 = 13246^2 + 17663^2 .

It is a cyclic number.

It is not a de Polignac number, because 487438085 - 2⁴ = 487438069 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (487438087) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 47537 + ... + 56873.

It is an arithmetic number, because the mean of its divisors is an integer number (37440711).

Almost surely, 2^487438085 is an apocalyptic number.

It is an amenable number.

487438085 is a deficient number, since it is larger than the sum of its proper divisors (111613291).

487438085 is a wasteful number, since it uses less digits than its factorization.

487438085 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9592.

The product of its (nonzero) digits is 860160, while the sum is 47.

The square root of 487438085 is about 22078.0000226470. Note that the first 4 decimals coincide. The cubic root of 487438085 is about 786.9971379370.

The spelling of 487438085 in words is "four hundred eighty-seven million, four hundred thirty-eight thousand, eighty-five".