6487660393500 has 768 divisors, whose sum is σ = 22595979055104. Its totient is φ = 1425715200000.

The previous prime is 6487660393493. The next prime is 6487660393517. The reversal of 6487660393500 is 53930667846.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 255 ways as a sum of consecutive naturals, for example, 4766832820 + ... + 4766834180.

It is an arithmetic number, because the mean of its divisors is an integer number (29421847728).

Almost surely, 2^{6487660393500} is an apocalyptic number.

6487660393500 is a gapful number since it is divisible by the number (60) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 6487660393500, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (11297989527552).

6487660393500 is an abundant number, since it is smaller than the sum of its proper divisors (16108318661604).

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

6487660393500 is a wasteful number, since it uses less digits than its factorization.

6487660393500 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1791 (or 1779 counting only the distinct ones).

The product of its (nonzero) digits is 19595520, while the sum is 57.

The spelling of 6487660393500 in words is "six trillion, four hundred eighty-seven billion, six hundred sixty million, three hundred ninety-three thousand, five hundred".