18773827148327 has 4 divisors (see below), whose sum is σ = 19878169921776. Its totient is φ = 17669484374880.

The previous prime is 18773827148311. The next prime is 18773827148387. The reversal of 18773827148327 is 72384172837781.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 18773827148327 - 2⁴ = 18773827148311 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (18773827148387) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 552171386699 + ... + 552171386732.

It is an arithmetic number, because the mean of its divisors is an integer number (4969542480444).

Almost surely, 2^{18773827148327} is an apocalyptic number.

18773827148327 is a gapful number since it is divisible by the number (17) formed by its first and last digit.

18773827148327 is a deficient number, since it is larger than the sum of its proper divisors (1104342773449).

18773827148327 is a wasteful number, since it uses less digits than its factorization.

18773827148327 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1104342773448.

The product of its digits is 177020928, while the sum is 68.

The spelling of 18773827148327 in words is "eighteen trillion, seven hundred seventy-three billion, eight hundred twenty-seven million, one hundred forty-eight thousand, three hundred twenty-seven".