83824543808757 has 12 divisors (see below), whose sum is σ = 121608629788620. Its totient is φ = 55638998509248.

The previous prime is 83824543808741. The next prime is 83824543808777. The reversal of 83824543808757 is 75780834542838.

83824543808757 is a `hidden beast` number, since 8 + 3 + 8 + 2 + 4 + 543 + 8 + 0 + 8 + 75 + 7 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 74090106368721 + 9734437440036 = 8607561^2 + 3120006^2 .

It is not a de Polignac number, because 83824543808757 - 2⁴ = 83824543808741 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (83824543808777) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 20335889208 + ... + 20335893329.

It is an arithmetic number, because the mean of its divisors is an integer number (10134052482385).

Almost surely, 2^{83824543808757} is an apocalyptic number.

It is an amenable number.

83824543808757 is a deficient number, since it is larger than the sum of its proper divisors (37784085979863).

83824543808757 is a wasteful number, since it uses less digits than its factorization.

83824543808757 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 40671782772 (or 40671782769 counting only the distinct ones).

The product of its (nonzero) digits is 1445068800, while the sum is 72.

The spelling of 83824543808757 in words is "eighty-three trillion, eight hundred twenty-four billion, five hundred forty-three million, eight hundred eight thousand, seven hundred fifty-seven".