28270238753 has 16 divisors (see below), whose sum is σ = 28612125696. Its totient is φ = 27931115520.

The previous prime is 28270238747. The next prime is 28270238827. The reversal of 28270238753 is 35783207282.

It is a cyclic number.

It is not a de Polignac number, because 28270238753 - 2³⁴ = 11090369569 is a prime.

It is a Smith number, since the sum of its digits (47) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 28270238698 and 28270238707.

It is not an unprimeable number, because it can be changed into a prime (28270234753) 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, 22964648 + ... + 22965878.

It is an arithmetic number, because the mean of its divisors is an integer number (1788257856).

Almost surely, 2^28270238753 is an apocalyptic number.

It is an amenable number.

28270238753 is a deficient number, since it is larger than the sum of its proper divisors (341886943).

28270238753 is a wasteful number, since it uses less digits than its factorization.

28270238753 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2144.

The product of its (nonzero) digits is 1128960, while the sum is 47.

The spelling of 28270238753 in words is "twenty-eight billion, two hundred seventy million, two hundred thirty-eight thousand, seven hundred fifty-three".