18805260878373 has 16 divisors (see below), whose sum is σ = 25364347265600. Its totient is φ = 12392295252480.

The previous prime is 18805260878323. The next prime is 18805260878399. The reversal of 18805260878373 is 37387806250881.

It is not a de Polignac number, because 18805260878373 - 2¹⁰ = 18805260877349 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 (18805260878323) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 98368588 + ... + 98559573.

It is an arithmetic number, because the mean of its divisors is an integer number (1585271704100).

Almost surely, 2^{18805260878373} is an apocalyptic number.

It is an amenable number.

18805260878373 is a deficient number, since it is larger than the sum of its proper divisors (6559086387227).

18805260878373 is a wasteful number, since it uses less digits than its factorization.

18805260878373 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 196928532.

The product of its (nonzero) digits is 108380160, while the sum is 66.

The spelling of 18805260878373 in words is "eighteen trillion, eight hundred five billion, two hundred sixty million, eight hundred seventy-eight thousand, three hundred seventy-three".