487273639680 has 144 divisors (see below), whose sum is σ = 1729144774560. Its totient is φ = 129939628032.

The previous prime is 487273639661. The next prime is 487273639693. The reversal of 487273639680 is 86936372784.

487273639680 is a `hidden beast` number, since 48 + 72 + 7 + 363 + 96 + 80 = 666.

It is a tau number, because it is divible by the number of its divisors (144).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7015117 + ... + 7084236.

Almost surely, 2^487273639680 is an apocalyptic number.

487273639680 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

487273639680 is an abundant number, since it is smaller than the sum of its proper divisors (1241871134880).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

487273639680 is a wasteful number, since it uses less digits than its factorization.

487273639680 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14099383 (or 14099363 counting only the distinct ones).

The product of its (nonzero) digits is 73156608, while the sum is 63.

The spelling of 487273639680 in words is "four hundred eighty-seven billion, two hundred seventy-three million, six hundred thirty-nine thousand, six hundred eighty".