28838302745 has 8 divisors (see below), whose sum is σ = 39549672384. Its totient is φ = 19774836144.

The previous prime is 28838302741. The next prime is 28838302777. The reversal of 28838302745 is 54720383882.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 28838302745 - 2² = 28838302741 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 28838302693 and 28838302702.

It is not an unprimeable number, because it can be changed into a prime (28838302741) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 411975719 + ... + 411975788.

It is an arithmetic number, because the mean of its divisors is an integer number (4943709048).

Almost surely, 2^28838302745 is an apocalyptic number.

It is an amenable number.

28838302745 is a deficient number, since it is larger than the sum of its proper divisors (10711369639).

28838302745 is an equidigital number, since it uses as much as digits as its factorization.

28838302745 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 823951519.

The product of its (nonzero) digits is 2580480, while the sum is 50.

The spelling of 28838302745 in words is "twenty-eight billion, eight hundred thirty-eight million, three hundred two thousand, seven hundred forty-five".