18848738087783 has 16 divisors (see below), whose sum is σ = 18970124334336. Its totient is φ = 18727785861120.

The previous prime is 18848738087741. The next prime is 18848738087801. The reversal of 18848738087783 is 38778083784881.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 18848738087783 - 2¹² = 18848738083687 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 18848738087698 and 18848738087707.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (18848738087713) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 221767391 + ... + 221852367.

It is an arithmetic number, because the mean of its divisors is an integer number (1185632770896).

Almost surely, 2^{18848738087783} is an apocalyptic number.

18848738087783 is a deficient number, since it is larger than the sum of its proper divisors (121386246553).

18848738087783 is a wasteful number, since it uses less digits than its factorization.

18848738087783 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 87514.

The product of its (nonzero) digits is 3236954112, while the sum is 80.

The spelling of 18848738087783 in words is "eighteen trillion, eight hundred forty-eight billion, seven hundred thirty-eight million, eighty-seven thousand, seven hundred eighty-three".