18756127799082 has 20 divisors (see below), whose sum is σ = 42027619698306. Its totient is φ = 6252042599640.

The previous prime is 18756127799077. The next prime is 18756127799093. The reversal of 18756127799082 is 28099772165781.

It can be written as a sum of positive squares in only one way, i.e., 12991187540241 + 5764940258841 = 3604329^2 + 2401029^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 18756127799082.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 57889283169 + ... + 57889283492.

Almost surely, 2^{18756127799082} is an apocalyptic number.

18756127799082 is an abundant number, since it is smaller than the sum of its proper divisors (23271491899224).

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

18756127799082 is a wasteful number, since it uses less digits than its factorization.

18756127799082 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 115778566675 (or 115778566666 counting only the distinct ones).

The product of its (nonzero) digits is 213373440, while the sum is 72.

The spelling of 18756127799082 in words is "eighteen trillion, seven hundred fifty-six billion, one hundred twenty-seven million, seven hundred ninety-nine thousand, eighty-two".