28342078753 has 4 divisors (see below), whose sum is σ = 28349703360. Its totient is φ = 28334454148.

The previous prime is 28342078643. The next prime is 28342078781. The reversal of 28342078753 is 35787024382.

It is a happy number.

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, and also an emirpimes, since its reverse is a distinct semiprime: 35787024382 = 2 ⋅17893512191.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-28342078753 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 28342078697 and 28342078706.

It is not an unprimeable number, because it can be changed into a prime (28342078153) 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, 3806725 + ... + 3814162.

It is an arithmetic number, because the mean of its divisors is an integer number (7087425840).

Almost surely, 2^28342078753 is an apocalyptic number.

It is an amenable number.

28342078753 is a deficient number, since it is larger than the sum of its proper divisors (7624607).

28342078753 is an equidigital number, since it uses as much as digits as its factorization.

28342078753 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7624606.

The product of its (nonzero) digits is 2257920, while the sum is 49.

The spelling of 28342078753 in words is "twenty-eight billion, three hundred forty-two million, seventy-eight thousand, seven hundred fifty-three".