28540332083 has 4 divisors (see below), whose sum is σ = 28587351360. Its totient is φ = 28493312808.

The previous prime is 28540332077. The next prime is 28540332167. The reversal of 28540332083 is 38023304582.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-28540332083 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (28540332013) 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, 23508728 + ... + 23509941.

It is an arithmetic number, because the mean of its divisors is an integer number (7146837840).

Almost surely, 2^28540332083 is an apocalyptic number.

28540332083 is a deficient number, since it is larger than the sum of its proper divisors (47019277).

28540332083 is an equidigital number, since it uses as much as digits as its factorization.

28540332083 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 47019276.

The product of its (nonzero) digits is 138240, while the sum is 38.

The spelling of 28540332083 in words is "twenty-eight billion, five hundred forty million, three hundred thirty-two thousand, eighty-three".