28863058233 has 4 divisors (see below), whose sum is σ = 38484077648. Its totient is φ = 19242038820.

The previous prime is 28863058223. The next prime is 28863058261. The reversal of 28863058233 is 33285036882.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 28863058233 - 2³⁰ = 27789316409 is a prime.

It is a super-2 number, since 2×28863058233² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (28863058223) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4810509703 + ... + 4810509708.

It is an arithmetic number, because the mean of its divisors is an integer number (9621019412).

Almost surely, 2^28863058233 is an apocalyptic number.

It is an amenable number.

28863058233 is a deficient number, since it is larger than the sum of its proper divisors (9621019415).

28863058233 is an equidigital number, since it uses as much as digits as its factorization.

28863058233 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9621019414.

The product of its (nonzero) digits is 1658880, while the sum is 48.

The spelling of 28863058233 in words is "twenty-eight billion, eight hundred sixty-three million, fifty-eight thousand, two hundred thirty-three".