8542851284 has 24 divisors (see below), whose sum is σ = 16311747648. Its totient is φ = 3882479040.

The previous prime is 8542851253. The next prime is 8542851287. The reversal of 8542851284 is 4821582458.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8542851287) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 351824 + ... + 375320.

It is an arithmetic number, because the mean of its divisors is an integer number (679656152).

Almost surely, 2^8542851284 is an apocalyptic number.

It is an amenable number.

8542851284 is a deficient number, since it is larger than the sum of its proper divisors (7768896364).

8542851284 is a wasteful number, since it uses less digits than its factorization.

8542851284 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31775 (or 31773 counting only the distinct ones).

The product of its digits is 819200, while the sum is 47.

The square root of 8542851284 is about 92427.5461320920. The cubic root of 8542851284 is about 2044.2512973508.

The spelling of 8542851284 in words is "eight billion, five hundred forty-two million, eight hundred fifty-one thousand, two hundred eighty-four".