28554399999 has 12 divisors (see below), whose sum is σ = 41247009856. Its totient is φ = 19035451872.

The previous prime is 28554399997. The next prime is 28554400027. The reversal of 28554399999 is 99999345582.

It is not a de Polignac number, because 28554399999 - 2¹ = 28554399997 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 (28554399997) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 216939 + ... + 322755.

Almost surely, 2^28554399999 is an apocalyptic number.

28554399999 is a deficient number, since it is larger than the sum of its proper divisors (12692609857).

28554399999 is a wasteful number, since it uses less digits than its factorization.

28554399999 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 135806 (or 135803 counting only the distinct ones).

The product of its digits is 283435200, while the sum is 72.

The spelling of 28554399999 in words is "twenty-eight billion, five hundred fifty-four million, three hundred ninety-nine thousand, nine hundred ninety-nine".