18814375825827 has 16 divisors (see below), whose sum is σ = 25239599443968. Its totient is φ = 12466118060640.

The previous prime is 18814375825787. The next prime is 18814375825841. The reversal of 18814375825827 is 72852857341881.

It is not a de Polignac number, because 18814375825827 - 2²⁸ = 18814107390371 is a prime.

It is not an unprimeable number, because it can be changed into a prime (18814375825877) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 9514593 + ... + 11320610.

It is an arithmetic number, because the mean of its divisors is an integer number (1577474965248).

Almost surely, 2^{18814375825827} is an apocalyptic number.

18814375825827 is a deficient number, since it is larger than the sum of its proper divisors (6425223618141).

18814375825827 is a wasteful number, since it uses less digits than its factorization.

18814375825827 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20837050.

The product of its digits is 240844800, while the sum is 69.

The spelling of 18814375825827 in words is "eighteen trillion, eight hundred fourteen billion, three hundred seventy-five million, eight hundred twenty-five thousand, eight hundred twenty-seven".