84706885975688 has 16 divisors (see below), whose sum is σ = 158932653232860. Its totient is φ = 42324845113600.

The previous prime is 84706885975651. The next prime is 84706885975693. The reversal of 84706885975688 is 88657958860748.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 83734615038244 + 972270937444 = 9150662^2 + 986038^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3574721693 + ... + 3574745388.

Almost surely, 2^{84706885975688} is an apocalyptic number.

It is an amenable number.

84706885975688 is a deficient number, since it is larger than the sum of its proper divisors (74225767257172).

84706885975688 is a wasteful number, since it uses less digits than its factorization.

84706885975688 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7149468568 (or 7149468564 counting only the distinct ones).

The product of its (nonzero) digits is 52022476800, while the sum is 89.

The spelling of 84706885975688 in words is "eighty-four trillion, seven hundred six billion, eight hundred eighty-five million, nine hundred seventy-five thousand, six hundred eighty-eight".