487665755424 has 72 divisors (see below), whose sum is σ = 1424280590460. Its totient is φ = 158161863168.

The previous prime is 487665755377. The next prime is 487665755429. The reversal of 487665755424 is 424557566784.

487665755424 is a `hidden beast` number, since 4 + 8 + 7 + 6 + 6 + 57 + 554 + 24 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 475090375824 + 12575379600 = 689268^2 + 112140^2 .

It is a tau number, because it is divible by the number of its divisors (72).

It is not an unprimeable number, because it can be changed into a prime (487665755429) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 22871559 + ... + 22892870.

Almost surely, 2^487665755424 is an apocalyptic number.

It is an amenable number.

487665755424 is an abundant number, since it is smaller than the sum of its proper divisors (936614835036).

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

487665755424 is a wasteful number, since it uses less digits than its factorization.

487665755424 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 45764482 (or 45764471 counting only the distinct ones).

The product of its digits is 225792000, while the sum is 63.

The spelling of 487665755424 in words is "four hundred eighty-seven billion, six hundred sixty-five million, seven hundred fifty-five thousand, four hundred twenty-four".