487999985 has 32 divisors (see below), whose sum is σ = 667975680. Its totient is φ = 339019200.

The previous prime is 487999979. The next prime is 488000017. The reversal of 487999985 is 589999784.

It is not a de Polignac number, because 487999985 - 2¹⁶ = 487934449 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 132884 + ... + 136506.

It is an arithmetic number, because the mean of its divisors is an integer number (20874240).

Almost surely, 2^487999985 is an apocalyptic number.

It is an amenable number.

487999985 is a deficient number, since it is larger than the sum of its proper divisors (179975695).

487999985 is a wasteful number, since it uses less digits than its factorization.

487999985 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3749.

The product of its digits is 58786560, while the sum is 68.

The square root of 487999985 is about 22090.7216948655. The cubic root of 487999985 is about 787.2994285538.

The spelling of 487999985 in words is "four hundred eighty-seven million, nine hundred ninety-nine thousand, nine hundred eighty-five".