28572727605 has 8 divisors (see below), whose sum is σ = 45716364192. Its totient is φ = 15238788048.

The previous prime is 28572727553. The next prime is 28572727609. The reversal of 28572727605 is 50672727582.

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

It is not a de Polignac number, because 28572727605 - 2⁹ = 28572727093 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28572727609) 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 7 ways as a sum of consecutive naturals, for example, 952424239 + ... + 952424268.

It is an arithmetic number, because the mean of its divisors is an integer number (5714545524).

Almost surely, 2^28572727605 is an apocalyptic number.

It is an amenable number.

28572727605 is a deficient number, since it is larger than the sum of its proper divisors (17143636587).

28572727605 is a wasteful number, since it uses less digits than its factorization.

28572727605 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1904848515.

The product of its (nonzero) digits is 3292800, while the sum is 51.

The spelling of 28572727605 in words is "twenty-eight billion, five hundred seventy-two million, seven hundred twenty-seven thousand, six hundred five".