84371489512 has 16 divisors (see below), whose sum is σ = 163299657600. Its totient is φ = 40824914160.

The previous prime is 84371489507. The next prime is 84371489519. The reversal of 84371489512 is 21598417348.

It is a self number, because there is not a number n which added to its sum of digits gives 84371489512.

It is not an unprimeable number, because it can be changed into a prime (84371489519) 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 3 ways as a sum of consecutive naturals, for example, 170103562 + ... + 170104057.

It is an arithmetic number, because the mean of its divisors is an integer number (10206228600).

Almost surely, 2^84371489512 is an apocalyptic number.

It is an amenable number.

84371489512 is a deficient number, since it is larger than the sum of its proper divisors (78928168088).

84371489512 is a wasteful number, since it uses less digits than its factorization.

84371489512 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 340207656 (or 340207652 counting only the distinct ones).

The product of its digits is 1935360, while the sum is 52.

The spelling of 84371489512 in words is "eighty-four billion, three hundred seventy-one million, four hundred eighty-nine thousand, five hundred twelve".