487621899 has 12 divisors (see below), whose sum is σ = 705795376. Its totient is φ = 324410832.

The previous prime is 487621867. The next prime is 487621903. The reversal of 487621899 is 998126784.

487621899 is a `hidden beast` number, since 4 + 8 + 7 + 621 + 8 + 9 + 9 = 666.

It is not a de Polignac number, because 487621899 - 2⁵ = 487621867 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (487621699) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 51244 + ... + 60009.

Almost surely, 2^487621899 is an apocalyptic number.

487621899 is a deficient number, since it is larger than the sum of its proper divisors (218173477).

487621899 is a wasteful number, since it uses less digits than its factorization.

487621899 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 111746 (or 111743 counting only the distinct ones).

The product of its digits is 1741824, while the sum is 54.

The square root of 487621899 is about 22082.1624620416. The cubic root of 487621899 is about 787.0960516357.

The spelling of 487621899 in words is "four hundred eighty-seven million, six hundred twenty-one thousand, eight hundred ninety-nine".