18827158469850 has 48 divisors (see below), whose sum is σ = 51879281120640. Its totient is φ = 5020575591600.

The previous prime is 18827158469849. The next prime is 18827158469927. The reversal of 18827158469850 is 5896485172881.

18827158469850 is a `hidden beast` number, since 1 + 8 + 8 + 2 + 7 + 158 + 469 + 8 + 5 + 0 = 666.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 6973020306 + ... + 6973023005.

It is an arithmetic number, because the mean of its divisors is an integer number (1080818356680).

Almost surely, 2^{18827158469850} is an apocalyptic number.

18827158469850 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

18827158469850 is an abundant number, since it is smaller than the sum of its proper divisors (33052122650790).

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

18827158469850 is a wasteful number, since it uses less digits than its factorization.

18827158469850 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13946043332 (or 13946043321 counting only the distinct ones).

The product of its (nonzero) digits is 309657600, while the sum is 72.

The spelling of 18827158469850 in words is "eighteen trillion, eight hundred twenty-seven billion, one hundred fifty-eight million, four hundred sixty-nine thousand, eight hundred fifty".