28848758313 has 4 divisors (see below), whose sum is σ = 38465011088. Its totient is φ = 19232505540.

The previous prime is 28848758293. The next prime is 28848758347. The reversal of 28848758313 is 31385784882.

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 a de Polignac number, because none of the positive numbers 2^k-28848758313 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (28848758353) 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, 4808126383 + ... + 4808126388.

It is an arithmetic number, because the mean of its divisors is an integer number (9616252772).

Almost surely, 2^28848758313 is an apocalyptic number.

It is an amenable number.

28848758313 is a deficient number, since it is larger than the sum of its proper divisors (9616252775).

28848758313 is an equidigital number, since it uses as much as digits as its factorization.

28848758313 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9616252774.

The product of its digits is 10321920, while the sum is 57.

The spelling of 28848758313 in words is "twenty-eight billion, eight hundred forty-eight million, seven hundred fifty-eight thousand, three hundred thirteen".