28064822353 has 4 divisors (see below), whose sum is σ = 28101701988. Its totient is φ = 28027942720.

The previous prime is 28064822329. The next prime is 28064822393. The reversal of 28064822353 is 35322846082.

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

It can be written as a sum of positive squares in 2 ways, for example, as 7371424449 + 20693397904 = 85857^2 + 143852^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-28064822353 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (28064822393) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 18438676 + ... + 18440197.

It is an arithmetic number, because the mean of its divisors is an integer number (7025425497).

Almost surely, 2^28064822353 is an apocalyptic number.

It is an amenable number.

28064822353 is a deficient number, since it is larger than the sum of its proper divisors (36879635).

28064822353 is an equidigital number, since it uses as much as digits as its factorization.

28064822353 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36879634.

The product of its (nonzero) digits is 552960, while the sum is 43.

The spelling of 28064822353 in words is "twenty-eight billion, sixty-four million, eight hundred twenty-two thousand, three hundred fifty-three".