487866987 has 12 divisors (see below), whose sum is σ = 709022184. Its totient is φ = 323248320.

The previous prime is 487866983. The next prime is 487866989. The reversal of 487866987 is 789668784.

487866987 is a `hidden beast` number, since 487 + 8 + 66 + 98 + 7 = 666.

It is not a de Polignac number, because 487866987 - 2² = 487866983 is a prime.

It is not an unprimeable number, because it can be changed into a prime (487866983) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 164814 + ... + 167747.

It is an arithmetic number, because the mean of its divisors is an integer number (59085182).

Almost surely, 2^487866987 is an apocalyptic number.

487866987 is a deficient number, since it is larger than the sum of its proper divisors (221155197).

487866987 is a wasteful number, since it uses less digits than its factorization.

487866987 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 332730 (or 332727 counting only the distinct ones).

The product of its digits is 32514048, while the sum is 63.

The square root of 487866987 is about 22087.7112214009. The cubic root of 487866987 is about 787.2278993418.

The spelling of 487866987 in words is "four hundred eighty-seven million, eight hundred sixty-six thousand, nine hundred eighty-seven".