28554446983 has 4 divisors (see below), whose sum is σ = 29475558208. Its totient is φ = 27633335760.

The previous prime is 28554446981. The next prime is 28554447017. The reversal of 28554446983 is 38964445582.

It is a happy number.

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 28554446983 - 2¹ = 28554446981 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28554446981) 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, 460555566 + ... + 460555627.

It is an arithmetic number, because the mean of its divisors is an integer number (7368889552).

Almost surely, 2^28554446983 is an apocalyptic number.

28554446983 is a deficient number, since it is larger than the sum of its proper divisors (921111225).

28554446983 is an equidigital number, since it uses as much as digits as its factorization.

28554446983 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 921111224.

The product of its digits is 33177600, while the sum is 58.

The spelling of 28554446983 in words is "twenty-eight billion, five hundred fifty-four million, four hundred forty-six thousand, nine hundred eighty-three".