28555484376835 has 16 divisors (see below), whose sum is σ = 36910981237536. Its totient is φ = 21082264570368.

The previous prime is 28555484376833. The next prime is 28555484376847. The reversal of 28555484376835 is 53867348455582.

It is a cyclic number.

It is not a de Polignac number, because 28555484376835 - 2¹ = 28555484376833 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (28555484376833) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 50365449 + ... + 50929258.

It is an arithmetic number, because the mean of its divisors is an integer number (2306936327346).

Almost surely, 2^{28555484376835} is an apocalyptic number.

28555484376835 is a deficient number, since it is larger than the sum of its proper divisors (8355496860701).

28555484376835 is a wasteful number, since it uses less digits than its factorization.

28555484376835 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 101299062.

The product of its digits is 3870720000, while the sum is 73.

The spelling of 28555484376835 in words is "twenty-eight trillion, five hundred fifty-five billion, four hundred eighty-four million, three hundred seventy-six thousand, eight hundred thirty-five".