28343854486 has 16 divisors (see below), whose sum is σ = 45134267904. Its totient is φ = 13303452544.

The previous prime is 28343854481. The next prime is 28343854489. The reversal of 28343854486 is 68445834382.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28343854481) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1075285 + ... + 1101328.

It is an arithmetic number, because the mean of its divisors is an integer number (2820891744).

Almost surely, 2^28343854486 is an apocalyptic number.

28343854486 is a deficient number, since it is larger than the sum of its proper divisors (16790413418).

28343854486 is a wasteful number, since it uses less digits than its factorization.

28343854486 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2177015.

The product of its digits is 17694720, while the sum is 55.

The spelling of 28343854486 in words is "twenty-eight billion, three hundred forty-three million, eight hundred fifty-four thousand, four hundred eighty-six".