28574756747 has 2 divisors, whose sum is σ = 28574756748. Its totient is φ = 28574756746.

The previous prime is 28574756741. The next prime is 28574756831. The reversal of 28574756747 is 74765747582.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 28574756747 - 2¹⁰ = 28574755723 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 28574756747.

It is not a weakly prime, because it can be changed into another prime (28574756741) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 14287378373 + 14287378374.

It is an arithmetic number, because the mean of its divisors is an integer number (14287378374).

Almost surely, 2^28574756747 is an apocalyptic number.

28574756747 is a deficient number, since it is larger than the sum of its proper divisors (1).

28574756747 is an equidigital number, since it uses as much as digits as its factorization.

28574756747 is an evil number, because the sum of its binary digits is even.

The product of its digits is 92198400, while the sum is 62.

The spelling of 28574756747 in words is "twenty-eight billion, five hundred seventy-four million, seven hundred fifty-six thousand, seven hundred forty-seven".