28853208719 has 4 divisors (see below), whose sum is σ = 28908589680. Its totient is φ = 28797827760.

The previous prime is 28853208667. The next prime is 28853208737. The reversal of 28853208719 is 91780235882.

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 28853208719 - 2¹⁶ = 28853143183 is a prime.

It is a super-2 number, since 2×28853208719² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28853208749) 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, 27689699 + ... + 27690740.

It is an arithmetic number, because the mean of its divisors is an integer number (7227147420).

Almost surely, 2^28853208719 is an apocalyptic number.

28853208719 is a deficient number, since it is larger than the sum of its proper divisors (55380961).

28853208719 is an equidigital number, since it uses as much as digits as its factorization.

28853208719 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 55380960.

The product of its (nonzero) digits is 1935360, while the sum is 53.

The spelling of 28853208719 in words is "twenty-eight billion, eight hundred fifty-three million, two hundred eight thousand, seven hundred nineteen".