28057742483 has 4 divisors (see below), whose sum is σ = 28067292120. Its totient is φ = 28048192848.

The previous prime is 28057742443. The next prime is 28057742509. The reversal of 28057742483 is 38424775082.

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-28057742483 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (28057742413) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4770410 + ... + 4776287.

It is an arithmetic number, because the mean of its divisors is an integer number (7016823030).

Almost surely, 2^28057742483 is an apocalyptic number.

28057742483 is a deficient number, since it is larger than the sum of its proper divisors (9549637).

28057742483 is an equidigital number, since it uses as much as digits as its factorization.

28057742483 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9549636.

The product of its (nonzero) digits is 3010560, while the sum is 50.

The spelling of 28057742483 in words is "twenty-eight billion, fifty-seven million, seven hundred forty-two thousand, four hundred eighty-three".