28755682211 has 4 divisors (see below), whose sum is σ = 28818059424. Its totient is φ = 28693305000.

The previous prime is 28755682199. The next prime is 28755682303. The reversal of 28755682211 is 11228655782.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 28755682211 - 2¹⁰ = 28755681187 is a prime.

It is a super-3 number, since 3×28755682211³ (a number of 32 digits) contains 333 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (28755681211) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 31187915 + ... + 31188836.

It is an arithmetic number, because the mean of its divisors is an integer number (7204514856).

Almost surely, 2^28755682211 is an apocalyptic number.

28755682211 is a deficient number, since it is larger than the sum of its proper divisors (62377213).

28755682211 is an equidigital number, since it uses as much as digits as its factorization.

28755682211 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 62377212.

The product of its digits is 537600, while the sum is 47.

The spelling of 28755682211 in words is "twenty-eight billion, seven hundred fifty-five million, six hundred eighty-two thousand, two hundred eleven".