18783746755 has 16 divisors (see below), whose sum is σ = 22651264800. Its totient is φ = 14953224960.

The previous prime is 18783746753. The next prime is 18783746771. The reversal of 18783746755 is 55764738781.

It is not a de Polignac number, because 18783746755 - 2¹ = 18783746753 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 18783746693 and 18783746702.

It is not an unprimeable number, because it can be changed into a prime (18783746753) 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, 2949775 + ... + 2956135.

It is an arithmetic number, because the mean of its divisors is an integer number (1415704050).

Almost surely, 2^18783746755 is an apocalyptic number.

18783746755 is a deficient number, since it is larger than the sum of its proper divisors (3867518045).

18783746755 is a wasteful number, since it uses less digits than its factorization.

18783746755 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9174.

The product of its digits is 39513600, while the sum is 61.

It can be divided in two parts, 1878374 and 6755, that added together give a square (1885129 = 1373²).

The spelling of 18783746755 in words is "eighteen billion, seven hundred eighty-three million, seven hundred forty-six thousand, seven hundred fifty-five".