28645835703 has 16 divisors (see below), whose sum is σ = 40463398656. Its totient is φ = 17963982720.

The previous prime is 28645835693. The next prime is 28645835707. The reversal of 28645835703 is 30753854682.

It is a happy number.

It is not a de Polignac number, because 28645835703 - 2⁶ = 28645835639 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (51).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28645835707) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 60001 + ... + 246762.

It is an arithmetic number, because the mean of its divisors is an integer number (2528962416).

Almost surely, 2^28645835703 is an apocalyptic number.

28645835703 is a deficient number, since it is larger than the sum of its proper divisors (11817562953).

28645835703 is a wasteful number, since it uses less digits than its factorization.

28645835703 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 308614.

The product of its (nonzero) digits is 4838400, while the sum is 51.

The spelling of 28645835703 in words is "twenty-eight billion, six hundred forty-five million, eight hundred thirty-five thousand, seven hundred three".