487661578237320 has 64 divisors (see below), whose sum is σ = 1483590153536640. Its totient is φ = 128211494745600.

The previous prime is 487661578237307. The next prime is 487661578237357. The reversal of 487661578237320 is 23732875166784.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 28618628701 + ... + 28618645740.

It is an arithmetic number, because the mean of its divisors is an integer number (23181096149010).

Almost surely, 2^{487661578237320} is an apocalyptic number.

487661578237320 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

487661578237320 is an abundant number, since it is smaller than the sum of its proper divisors (995928575299320).

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

487661578237320 is a wasteful number, since it uses less digits than its factorization.

487661578237320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 57237274526 (or 57237274522 counting only the distinct ones).

The product of its (nonzero) digits is 568995840, while the sum is 69.

The spelling of 487661578237320 in words is "four hundred eighty-seven trillion, six hundred sixty-one billion, five hundred seventy-eight million, two hundred thirty-seven thousand, three hundred twenty".