28652104843 has 4 divisors (see below), whose sum is σ = 28731916080. Its totient is φ = 28572293608.

The previous prime is 28652104841. The next prime is 28652104853. The reversal of 28652104843 is 34840125682.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 28652104843 - 2¹ = 28652104841 is a prime.

It is a super-2 number, since 2×28652104843² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 28652104843.

It is not an unprimeable number, because it can be changed into a prime (28652104841) 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 3 ways as a sum of consecutive naturals, for example, 39905080 + ... + 39905797.

It is an arithmetic number, because the mean of its divisors is an integer number (7182979020).

Almost surely, 2^28652104843 is an apocalyptic number.

28652104843 is a deficient number, since it is larger than the sum of its proper divisors (79811237).

28652104843 is an equidigital number, since it uses as much as digits as its factorization.

28652104843 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 79811236.

The product of its (nonzero) digits is 368640, while the sum is 43.

The spelling of 28652104843 in words is "twenty-eight billion, six hundred fifty-two million, one hundred four thousand, eight hundred forty-three".