18773861104 has 20 divisors (see below), whose sum is σ = 36419343120. Its totient is φ = 9375320960.

The previous prime is 18773861101. The next prime is 18773861123. The reversal of 18773861104 is 40116837781.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (18773861101) 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, 712252 + ... + 738139.

It is an arithmetic number, because the mean of its divisors is an integer number (1820967156).

Almost surely, 2^18773861104 is an apocalyptic number.

It is an amenable number.

18773861104 is a deficient number, since it is larger than the sum of its proper divisors (17645482016).

18773861104 is a wasteful number, since it uses less digits than its factorization.

18773861104 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1451208 (or 1451202 counting only the distinct ones).

The product of its (nonzero) digits is 225792, while the sum is 46.

It can be divided in two parts, 187738 and 61104, that added together give a palindrome (248842).

The spelling of 18773861104 in words is "eighteen billion, seven hundred seventy-three million, eight hundred sixty-one thousand, one hundred four".