28572830211 has 8 divisors (see below), whose sum is σ = 40102217920. Its totient is φ = 18045997992.

The previous prime is 28572830207. The next prime is 28572830219. The reversal of 28572830211 is 11203827582.

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

It is not a de Polignac number, because 28572830211 - 2² = 28572830207 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 28572830211.

It is not an unprimeable number, because it can be changed into a prime (28572830219) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 250638805 + ... + 250638918.

It is an arithmetic number, because the mean of its divisors is an integer number (5012777240).

Almost surely, 2^28572830211 is an apocalyptic number.

28572830211 is a deficient number, since it is larger than the sum of its proper divisors (11529387709).

28572830211 is a wasteful number, since it uses less digits than its factorization.

28572830211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 501277745.

The product of its (nonzero) digits is 53760, while the sum is 39.

The spelling of 28572830211 in words is "twenty-eight billion, five hundred seventy-two million, eight hundred thirty thousand, two hundred eleven".