28608227207 has 8 divisors (see below), whose sum is σ = 32702478336. Its totient is φ = 24515816472.

The previous prime is 28608227201. The next prime is 28608227233. The reversal of 28608227207 is 70272280682.

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

It is not a de Polignac number, because 28608227207 - 2¹⁴ = 28608210823 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28608227201) 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, 426623 + ... + 489104.

It is an arithmetic number, because the mean of its divisors is an integer number (4087809792).

Almost surely, 2^28608227207 is an apocalyptic number.

28608227207 is a deficient number, since it is larger than the sum of its proper divisors (4094251129).

28608227207 is an equidigital number, since it uses as much as digits as its factorization.

28608227207 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 920197.

The product of its (nonzero) digits is 301056, while the sum is 44.

The spelling of 28608227207 in words is "twenty-eight billion, six hundred eight million, two hundred twenty-seven thousand, two hundred seven".