18968178580827 has 40 divisors (see below), whose sum is σ = 29536839710016. Its totient is φ = 10827005119056.

The previous prime is 18968178580807. The next prime is 18968178580837. The reversal of 18968178580827 is 72808587186981.

It is a happy number.

It is not a de Polignac number, because 18968178580827 - 2¹⁰ = 18968178579803 is a prime.

It is not an unprimeable number, because it can be changed into a prime (18968178580807) by changing a digit.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 5081428 + ... + 7984814.

Almost surely, 2^{18968178580827} is an apocalyptic number.

18968178580827 is a deficient number, since it is larger than the sum of its proper divisors (10568661129189).

18968178580827 is an frugal number, since it uses more digits than its factorization.

18968178580827 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2904325 (or 2904304 counting only the distinct ones).

The product of its (nonzero) digits is 867041280, while the sum is 78.

The spelling of 18968178580827 in words is "eighteen trillion, nine hundred sixty-eight billion, one hundred seventy-eight million, five hundred eighty thousand, eight hundred twenty-seven".