28774200841 has 4 divisors (see below), whose sum is σ = 28777150672. Its totient is φ = 28771251012.

The previous prime is 28774200827. The next prime is 28774200863. The reversal of 28774200841 is 14800247782.

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 28774200841 - 2²⁵ = 28740646409 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (28774200881) 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, 1460235 + ... + 1479808.

It is an arithmetic number, because the mean of its divisors is an integer number (7194287668).

Almost surely, 2^28774200841 is an apocalyptic number.

It is an amenable number.

28774200841 is a deficient number, since it is larger than the sum of its proper divisors (2949831).

28774200841 is an equidigital number, since it uses as much as digits as its factorization.

28774200841 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2949830.

The product of its (nonzero) digits is 200704, while the sum is 43.

The spelling of 28774200841 in words is "twenty-eight billion, seven hundred seventy-four million, two hundred thousand, eight hundred forty-one".