2628328097 has 4 divisors (see below), whose sum is σ = 2629137840. Its totient is φ = 2627518356.

The previous prime is 2628328081. The next prime is 2628328123. The reversal of 2628328097 is 7908238262.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 2628328097 - 2⁴ = 2628328081 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2628328057) 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, 399983 + ... + 406500.

It is an arithmetic number, because the mean of its divisors is an integer number (657284460).

Almost surely, 2^2628328097 is an apocalyptic number.

It is an amenable number.

2628328097 is a deficient number, since it is larger than the sum of its proper divisors (809743).

2628328097 is an equidigital number, since it uses as much as digits as its factorization.

2628328097 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 809742.

The product of its (nonzero) digits is 580608, while the sum is 47.

The square root of 2628328097 is about 51267.2224428045. Note that the first 3 decimals coincide. The cubic root of 2628328097 is about 1380.0448240359.

The spelling of 2628328097 in words is "two billion, six hundred twenty-eight million, three hundred twenty-eight thousand, ninety-seven".