28445830283 has 4 divisors (see below), whose sum is σ = 30633971088. Its totient is φ = 26257689480.

The previous prime is 28445830253. The next prime is 28445830349. The reversal of 28445830283 is 38203854482.

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 28445830283 - 2⁸ = 28445830027 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (28445830253) 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, 1094070383 + ... + 1094070408.

It is an arithmetic number, because the mean of its divisors is an integer number (7658492772).

Almost surely, 2^28445830283 is an apocalyptic number.

28445830283 is a deficient number, since it is larger than the sum of its proper divisors (2188140805).

28445830283 is a wasteful number, since it uses less digits than its factorization.

28445830283 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2188140804.

The product of its (nonzero) digits is 1474560, while the sum is 47.

The spelling of 28445830283 in words is "twenty-eight billion, four hundred forty-five million, eight hundred thirty thousand, two hundred eighty-three".