7728007227 has 8 divisors (see below), whose sum is σ = 10305894720. Its totient is φ = 5151062280.

The previous prime is 7728007213. The next prime is 7728007253. The reversal of 7728007227 is 7227008277.

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

It is not a de Polignac number, because 7728007227 - 2²⁴ = 7711230011 is a prime.

It is a super-3 number, since 3×7728007227³ (a number of 31 digits) contains 333 as substring.

It is not an unprimeable number, because it can be changed into a prime (7728005227) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 216277 + ... + 249462.

It is an arithmetic number, because the mean of its divisors is an integer number (1288236840).

Almost surely, 2^7728007227 is an apocalyptic number.

7728007227 is a deficient number, since it is larger than the sum of its proper divisors (2577887493).

7728007227 is a wasteful number, since it uses less digits than its factorization.

7728007227 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 471273.

The product of its (nonzero) digits is 153664, while the sum is 42.

The square root of 7728007227 is about 87909.0850083198. The cubic root of 7728007227 is about 1977.0720955950.

The spelling of 7728007227 in words is "seven billion, seven hundred twenty-eight million, seven thousand, two hundred twenty-seven".