28645835718 has 32 divisors (see below), whose sum is σ = 59228459136. Its totient is φ = 9230393088.

The previous prime is 28645835717. The next prime is 28645835791. The reversal of 28645835718 is 81753854682.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28645835717) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 547296 + ... + 597347.

It is an arithmetic number, because the mean of its divisors is an integer number (1850889348).

Almost surely, 2^28645835718 is an apocalyptic number.

28645835718 is an abundant number, since it is smaller than the sum of its proper divisors (30582623418).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

28645835718 is a wasteful number, since it uses less digits than its factorization.

28645835718 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1144788.

The product of its digits is 12902400, while the sum is 57.

The spelling of 28645835718 in words is "twenty-eight billion, six hundred forty-five million, eight hundred thirty-five thousand, seven hundred eighteen".