28555484376799 has 2 divisors, whose sum is σ = 28555484376800. Its totient is φ = 28555484376798.

The previous prime is 28555484376781. The next prime is 28555484376803. The reversal of 28555484376799 is 99767348455582.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 28555484376799 - 2³⁵ = 28521124638431 is a prime.

It is a super-3 number, since 3×28555484376799³ (a number of 41 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (28555484376709) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 14277742188399 + 14277742188400.

It is an arithmetic number, because the mean of its divisors is an integer number (14277742188400).

Almost surely, 2^{28555484376799} is an apocalyptic number.

28555484376799 is a deficient number, since it is larger than the sum of its proper divisors (1).

28555484376799 is an equidigital number, since it uses as much as digits as its factorization.

28555484376799 is an evil number, because the sum of its binary digits is even.

The product of its digits is 18289152000, while the sum is 82.

The spelling of 28555484376799 in words is "twenty-eight trillion, five hundred fifty-five billion, four hundred eighty-four million, three hundred seventy-six thousand, seven hundred ninety-nine".