8687123385500 has 96 divisors (see below), whose sum is σ = 21988455810048. Its totient is φ = 2936492328000.

The previous prime is 8687123385487. The next prime is 8687123385509. The reversal of 8687123385500 is 55833217868.

It is a super-2 number, since 2×8687123385500² (a number of 27 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8687123385509) by changing a digit.

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 31 ways as a sum of consecutive naturals, for example, 17230622 + ... + 17727621.

It is an arithmetic number, because the mean of its divisors is an integer number (229046414688).

Almost surely, 2^{8687123385500} is an apocalyptic number.

It is an amenable number.

8687123385500 is an abundant number, since it is smaller than the sum of its proper divisors (13301332424548).

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

8687123385500 is a wasteful number, since it uses less digits than its factorization.

8687123385500 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34958340 (or 34958328 counting only the distinct ones).

The product of its (nonzero) digits is 9676800, while the sum is 56.

The spelling of 8687123385500 in words is "eight trillion, six hundred eighty-seven billion, one hundred twenty-three million, three hundred eighty-five thousand, five hundred".