28727112733577 has 4 divisors (see below), whose sum is σ = 28819482871296. Its totient is φ = 28634742595860.

The previous prime is 28727112733519. The next prime is 28727112733597. The reversal of 28727112733577 is 77533721172782.

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.

It is a cyclic number.

It is not a de Polignac number, because 28727112733577 - 2¹⁸ = 28727112471433 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (28727112733597) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 46185068393 + ... + 46185069014.

It is an arithmetic number, because the mean of its divisors is an integer number (7204870717824).

Almost surely, 2^{28727112733577} is an apocalyptic number.

It is an amenable number.

28727112733577 is a deficient number, since it is larger than the sum of its proper divisors (92370137719).

28727112733577 is an equidigital number, since it uses as much as digits as its factorization.

28727112733577 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 92370137718.

The product of its digits is 48404160, while the sum is 62.

The spelling of 28727112733577 in words is "twenty-eight trillion, seven hundred twenty-seven billion, one hundred twelve million, seven hundred thirty-three thousand, five hundred seventy-seven".