84330068128 has 12 divisors (see below), whose sum is σ = 166024821690. Its totient is φ = 42165034048.

The previous prime is 84330068099. The next prime is 84330068129. The reversal of 84330068128 is 82186003348.

It can be written as a sum of positive squares in only one way, i.e., 60097541904 + 24232526224 = 245148^2 + 155668^2 .

It is a super-2 number, since 2×84330068128² (a number of 23 digits) contains 22 as substring.

It is a hoax number, since the sum of its digits (43) coincides with the sum of the digits of its distinct prime factors.

It is not an unprimeable number, because it can be changed into a prime (84330068129) 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 as a sum of consecutive naturals, namely, 1317657283 + ... + 1317657346.

Almost surely, 2^84330068128 is an apocalyptic number.

It is an amenable number.

84330068128 is a deficient number, since it is larger than the sum of its proper divisors (81694753562).

84330068128 is a wasteful number, since it uses less digits than its factorization.

84330068128 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2635314639 (or 2635314631 counting only the distinct ones).

The product of its (nonzero) digits is 221184, while the sum is 43.

The spelling of 84330068128 in words is "eighty-four billion, three hundred thirty million, sixty-eight thousand, one hundred twenty-eight".