487641855 has 32 divisors (see below), whose sum is σ = 829310400. Its totient is φ = 243832832.

The previous prime is 487641853. The next prime is 487641881. The reversal of 487641855 is 558146784.

It is a cyclic number.

It is not a de Polignac number, because 487641855 - 2¹ = 487641853 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (487641853) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 65041 + ... + 72149.

It is an arithmetic number, because the mean of its divisors is an integer number (25915950).

Almost surely, 2^487641855 is an apocalyptic number.

487641855 is a deficient number, since it is larger than the sum of its proper divisors (341668545).

487641855 is a wasteful number, since it uses less digits than its factorization.

487641855 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7403.

The product of its digits is 1075200, while the sum is 48.

The square root of 487641855 is about 22082.6143153387. The cubic root of 487641855 is about 787.1067888309.

The spelling of 487641855 in words is "four hundred eighty-seven million, six hundred forty-one thousand, eight hundred fifty-five".