28357288275383 has 4 divisors (see below), whose sum is σ = 28362615593928. Its totient is φ = 28351960956840.

The previous prime is 28357288275269. The next prime is 28357288275391. The reversal of 28357288275383 is 38357288275382.

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 28357288275383 - 2³⁶ = 28288568798647 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28357288205383) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2663651288 + ... + 2663661933.

It is an arithmetic number, because the mean of its divisors is an integer number (7090653898482).

Almost surely, 2^{28357288275383} is an apocalyptic number.

28357288275383 is a deficient number, since it is larger than the sum of its proper divisors (5327318545).

28357288275383 is an equidigital number, since it uses as much as digits as its factorization.

28357288275383 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5327318544.

The product of its digits is 1083801600, while the sum is 71.

Subtracting 28357288275383 from its reverse (38357288275382), we obtain a palindrome (9999999999999).

It can be divided in two parts, 2835728 and 8275383, that added together give a palindrome (11111111).

The spelling of 28357288275383 in words is "twenty-eight trillion, three hundred fifty-seven billion, two hundred eighty-eight million, two hundred seventy-five thousand, three hundred eighty-three".