28318182783 has 16 divisors (see below), whose sum is σ = 41215792896. Its totient is φ = 17151823040.

The previous prime is 28318182779. The next prime is 28318182847. The reversal of 28318182783 is 38728181382.

It is not a de Polignac number, because 28318182783 - 2² = 28318182779 is a prime.

It is a super-2 number, since 2×28318182783² (a number of 22 digits) contains 22 as substring.

It is a Smith number, since the sum of its digits (51) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28318182743) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 213966 + ... + 320027.

It is an arithmetic number, because the mean of its divisors is an integer number (2575987056).

Almost surely, 2^28318182783 is an apocalyptic number.

28318182783 is a deficient number, since it is larger than the sum of its proper divisors (12897610113).

28318182783 is a wasteful number, since it uses less digits than its factorization.

28318182783 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 535614.

The product of its digits is 1032192, while the sum is 51.

The spelling of 28318182783 in words is "twenty-eight billion, three hundred eighteen million, one hundred eighty-two thousand, seven hundred eighty-three".