28730612283 has 4 divisors (see below), whose sum is σ = 38307483048. Its totient is φ = 19153741520.

The previous prime is 28730612257. The next prime is 28730612297. The reversal of 28730612283 is 38221603782.

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 28730612283 - 2²⁶ = 28663503419 is a prime.

It is not an unprimeable number, because it can be changed into a prime (28730612203) 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, 4788435378 + ... + 4788435383.

It is an arithmetic number, because the mean of its divisors is an integer number (9576870762).

Almost surely, 2^28730612283 is an apocalyptic number.

28730612283 is a deficient number, since it is larger than the sum of its proper divisors (9576870765).

28730612283 is an equidigital number, since it uses as much as digits as its factorization.

28730612283 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9576870764.

The product of its (nonzero) digits is 193536, while the sum is 42.

The spelling of 28730612283 in words is "twenty-eight billion, seven hundred thirty million, six hundred twelve thousand, two hundred eighty-three".