83817444167684 has 12 divisors (see below), whose sum is σ = 146739840099804. Its totient is φ = 41891775567744.

The previous prime is 83817444167623. The next prime is 83817444167693. The reversal of 83817444167684 is 48676144471838.

It can be written as a sum of positive squares in 2 ways, for example, as 41503590059584 + 42313854108100 = 6442328^2 + 6504910^2 .

It is a hoax number, since the sum of its digits (71) coincides with the sum of the digits of its distinct prime factors.

It is an unprimeable number.

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, 4236617897 + ... + 4236637680.

It is an arithmetic number, because the mean of its divisors is an integer number (12228320008317).

Almost surely, 2^{83817444167684} is an apocalyptic number.

It is an amenable number.

83817444167684 is a deficient number, since it is larger than the sum of its proper divisors (62922395932120).

83817444167684 is a wasteful number, since it uses less digits than its factorization.

83817444167684 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8473258054 (or 8473258052 counting only the distinct ones).

The product of its digits is 693633024, while the sum is 71.

The spelling of 83817444167684 in words is "eighty-three trillion, eight hundred seventeen billion, four hundred forty-four million, one hundred sixty-seven thousand, six hundred eighty-four".