28576330801 has 4 divisors (see below), whose sum is σ = 28576670832. Its totient is φ = 28575990772.

The previous prime is 28576330781. The next prime is 28576330807. The reversal of 28576330801 is 10803367582.

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, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 28576330801 - 2¹⁹ = 28575806513 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (28576330807) 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, 57810 + ... + 245956.

It is an arithmetic number, because the mean of its divisors is an integer number (7144167708).

Almost surely, 2^28576330801 is an apocalyptic number.

It is an amenable number.

28576330801 is a deficient number, since it is larger than the sum of its proper divisors (340031).

28576330801 is a wasteful number, since it uses less digits than its factorization.

28576330801 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 340030.

The product of its (nonzero) digits is 241920, while the sum is 43.

The spelling of 28576330801 in words is "twenty-eight billion, five hundred seventy-six million, three hundred thirty thousand, eight hundred one".