28805446627 has 4 divisors (see below), whose sum is σ = 29798737920. Its totient is φ = 27812155336.

The previous prime is 28805446609. The next prime is 28805446633. The reversal of 28805446627 is 72664450882.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 28805446627 - 2¹⁵ = 28805413859 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (28805446727) 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, 496645603 + ... + 496645660.

It is an arithmetic number, because the mean of its divisors is an integer number (7449684480).

Almost surely, 2^28805446627 is an apocalyptic number.

28805446627 is a deficient number, since it is larger than the sum of its proper divisors (993291293).

28805446627 is an equidigital number, since it uses as much as digits as its factorization.

28805446627 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 993291292.

The product of its (nonzero) digits is 5160960, while the sum is 52.

The spelling of 28805446627 in words is "twenty-eight billion, eight hundred five million, four hundred forty-six thousand, six hundred twenty-seven".