28555484376834 has 96 divisors (see below), whose sum is σ = 62342981251200. Its totient is φ = 9446039817984.

The previous prime is 28555484376833. The next prime is 28555484376847. The reversal of 28555484376834 is 43867348455582.

28555484376834 is a `hidden beast` number, since 2 + 8 + 5 + 5 + 548 + 4 + 3 + 76 + 8 + 3 + 4 = 666.

It is a super-2 number, since 2×28555484376834² (a number of 28 digits) contains 22 as substring.

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 47 ways as a sum of consecutive naturals, for example, 2768877262 + ... + 2768887574.

It is an arithmetic number, because the mean of its divisors is an integer number (649406054700).

Almost surely, 2^{28555484376834} is an apocalyptic number.

28555484376834 is an abundant number, since it is smaller than the sum of its proper divisors (33787496874366).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

28555484376834 is a wasteful number, since it uses less digits than its factorization.

28555484376834 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12456 (or 12453 counting only the distinct ones).

The product of its digits is 3096576000, while the sum is 72.

The spelling of 28555484376834 in words is "twenty-eight trillion, five hundred fifty-five billion, four hundred eighty-four million, three hundred seventy-six thousand, eight hundred thirty-four".