28807363201 has 4 divisors (see below), whose sum is σ = 28869582592. Its totient is φ = 28745143812.

The previous prime is 28807363199. The next prime is 28807363229. The reversal of 28807363201 is 10236370882.

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 an emirpimes, since its reverse is a distinct semiprime: 10236370882 = 2 ⋅5118185441.

It is a cyclic number.

It is not a de Polignac number, because 28807363201 - 2¹ = 28807363199 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (28807363231) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 31109001 + ... + 31109926.

It is an arithmetic number, because the mean of its divisors is an integer number (7217395648).

Almost surely, 2^28807363201 is an apocalyptic number.

It is an amenable number.

28807363201 is a deficient number, since it is larger than the sum of its proper divisors (62219391).

28807363201 is an equidigital number, since it uses as much as digits as its factorization.

28807363201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 62219390.

The product of its (nonzero) digits is 96768, while the sum is 40.

The spelling of 28807363201 in words is "twenty-eight billion, eight hundred seven million, three hundred sixty-three thousand, two hundred one".