487621215 has 20 divisors (see below), whose sum is σ = 874106904. Its totient is φ = 260064432.

The previous prime is 487621207. The next prime is 487621237. The reversal of 487621215 is 512126784.

487621215 is a `hidden beast` number, since 4 + 8 + 7 + 621 + 21 + 5 = 666.

It is not a de Polignac number, because 487621215 - 2³ = 487621207 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 487621215.

It is a congruent number.

It is an unprimeable number.

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 19 ways as a sum of consecutive naturals, for example, 601597 + ... + 602406.

Almost surely, 2^487621215 is an apocalyptic number.

487621215 is a gapful number since it is divisible by the number (45) formed by its first and last digit.

487621215 is a deficient number, since it is larger than the sum of its proper divisors (386485689).

487621215 is a wasteful number, since it uses less digits than its factorization.

487621215 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1204020 (or 1204011 counting only the distinct ones).

The product of its digits is 26880, while the sum is 36.

The square root of 487621215 is about 22082.1469744226. The cubic root of 487621215 is about 787.0956836088.

Adding to 487621215 its reverse (512126784), we get a palindrome (999747999).

The spelling of 487621215 in words is "four hundred eighty-seven million, six hundred twenty-one thousand, two hundred fifteen".