18083385827 has 24 divisors (see below), whose sum is σ = 20249324784. Its totient is φ = 16132431744.

The previous prime is 18083385797. The next prime is 18083385871. The reversal of 18083385827 is 72858338081.

It is not a de Polignac number, because 18083385827 - 2⁶ = 18083385763 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (53).

It is not an unprimeable number, because it can be changed into a prime (18083385227) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 585053 + ... + 615185.

It is an arithmetic number, because the mean of its divisors is an integer number (843721866).

Almost surely, 2^18083385827 is an apocalyptic number.

18083385827 is a deficient number, since it is larger than the sum of its proper divisors (2165938957).

18083385827 is a wasteful number, since it uses less digits than its factorization.

18083385827 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30279 (or 30266 counting only the distinct ones).

The product of its (nonzero) digits is 2580480, while the sum is 53.

The spelling of 18083385827 in words is "eighteen billion, eighty-three million, three hundred eighty-five thousand, eight hundred twenty-seven".