84743985312 has 108 divisors (see below), whose sum is σ = 280336176666. Its totient is φ = 24212563200.

The previous prime is 84743985257. The next prime is 84743985353. The reversal of 84743985312 is 21358934748.

It is a happy number.

84743985312 is a `hidden beast` number, since 8 + 4 + 74 + 39 + 8 + 531 + 2 = 666.

It can be written as a sum of positive squares in only one way, i.e., 44135287056 + 40608698256 = 210084^2 + 201516^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 2988439 + ... + 3016662.

Almost surely, 2^84743985312 is an apocalyptic number.

It is an amenable number.

84743985312 is an abundant number, since it is smaller than the sum of its proper divisors (195592191354).

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

84743985312 is a wasteful number, since it uses less digits than its factorization.

84743985312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6005131 (or 6005113 counting only the distinct ones).

The product of its digits is 5806080, while the sum is 54.

The spelling of 84743985312 in words is "eighty-four billion, seven hundred forty-three million, nine hundred eighty-five thousand, three hundred twelve".