18083782844 has 48 divisors (see below), whose sum is σ = 35143149888. Its totient is φ = 8098556928.

The previous prime is 18083782837. The next prime is 18083782853. The reversal of 18083782844 is 44828738081.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 278762 + ... + 337454.

It is an arithmetic number, because the mean of its divisors is an integer number (732148956).

Almost surely, 2^18083782844 is an apocalyptic number.

It is an amenable number.

18083782844 is a deficient number, since it is larger than the sum of its proper divisors (17059367044).

18083782844 is a wasteful number, since it uses less digits than its factorization.

18083782844 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 58934 (or 58932 counting only the distinct ones).

The product of its (nonzero) digits is 2752512, while the sum is 53.

The spelling of 18083782844 in words is "eighteen billion, eighty-three million, seven hundred eighty-two thousand, eight hundred forty-four".