18282778283 has 16 divisors (see below), whose sum is σ = 22968126720. Its totient is φ = 14137562400.

The previous prime is 18282778277. The next prime is 18282778321. The reversal of 18282778283 is 38287728281.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 18282778283 - 2¹⁰ = 18282777259 is a prime.

It is a super-3 number, since 3×18282778283³ (a number of 32 digits) contains 333 as substring.

It is not an unprimeable number, because it can be changed into a prime (18282778243) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 896168 + ... + 916341.

It is an arithmetic number, because the mean of its divisors is an integer number (1435507920).

Almost surely, 2^18282778283 is an apocalyptic number.

18282778283 is a deficient number, since it is larger than the sum of its proper divisors (4685348437).

18282778283 is a wasteful number, since it uses less digits than its factorization.

18282778283 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1812658.

The product of its digits is 4816896, while the sum is 56.

The spelling of 18282778283 in words is "eighteen billion, two hundred eighty-two million, seven hundred seventy-eight thousand, two hundred eighty-three".