28347124713 has 4 divisors (see below), whose sum is σ = 37796166288. Its totient is φ = 18898083140.

The previous prime is 28347124681. The next prime is 28347124739. The reversal of 28347124713 is 31742174382.

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 cyclic number.

It is not a de Polignac number, because 28347124713 - 2⁵ = 28347124681 is a prime.

It is not an unprimeable number, because it can be changed into a prime (28347124213) 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, 4724520783 + ... + 4724520788.

It is an arithmetic number, because the mean of its divisors is an integer number (9449041572).

Almost surely, 2^28347124713 is an apocalyptic number.

It is an amenable number.

28347124713 is a deficient number, since it is larger than the sum of its proper divisors (9449041575).

28347124713 is an equidigital number, since it uses as much as digits as its factorization.

28347124713 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9449041574.

The product of its digits is 225792, while the sum is 42.

The spelling of 28347124713 in words is "twenty-eight billion, three hundred forty-seven million, one hundred twenty-four thousand, seven hundred thirteen".