28318207934 has 16 divisors (see below), whose sum is σ = 43218109440. Its totient is φ = 13912403160.

The previous prime is 28318207933. The next prime is 28318208027. The reversal of 28318207934 is 43970281382.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28318207933) 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 7 ways as a sum of consecutive naturals, for example, 192257 + ... + 305939.

It is an arithmetic number, because the mean of its divisors is an integer number (2701131840).

Almost surely, 2^28318207934 is an apocalyptic number.

28318207934 is a deficient number, since it is larger than the sum of its proper divisors (14899901506).

28318207934 is a wasteful number, since it uses less digits than its factorization.

28318207934 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 115855.

The product of its (nonzero) digits is 580608, while the sum is 47.

The spelling of 28318207934 in words is "twenty-eight billion, three hundred eighteen million, two hundred seven thousand, nine hundred thirty-four".