28533388283 has 4 divisors (see below), whose sum is σ = 28571081760. Its totient is φ = 28495694808.

The previous prime is 28533388271. The next prime is 28533388291. The reversal of 28533388283 is 38288333582.

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 28533388283 - 2⁸ = 28533388027 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (28533388223) 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, 18845603 + ... + 18847116.

It is an arithmetic number, because the mean of its divisors is an integer number (7142770440).

Almost surely, 2^28533388283 is an apocalyptic number.

28533388283 is a deficient number, since it is larger than the sum of its proper divisors (37693477).

28533388283 is an equidigital number, since it uses as much as digits as its factorization.

28533388283 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 37693476.

The product of its digits is 6635520, while the sum is 53.

The spelling of 28533388283 in words is "twenty-eight billion, five hundred thirty-three million, three hundred eighty-eight thousand, two hundred eighty-three".