83938041757 has 4 divisors (see below), whose sum is σ = 86832457020. Its totient is φ = 81043626496.

The previous prime is 83938041727. The next prime is 83938041779. The reversal of 83938041757 is 75714083938.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 75714083938 = 2 ⋅37857041969.

It can be written as a sum of positive squares in 2 ways, for example, as 19404768601 + 64533273156 = 139301^2 + 254034^2 .

It is a cyclic number.

It is not a de Polignac number, because 83938041757 - 2³⁵ = 49578303389 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 83938041698 and 83938041707.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (83938041727) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1447207588 + ... + 1447207645.

It is an arithmetic number, because the mean of its divisors is an integer number (21708114255).

Almost surely, 2^83938041757 is an apocalyptic number.

It is an amenable number.

83938041757 is a deficient number, since it is larger than the sum of its proper divisors (2894415263).

83938041757 is a wasteful number, since it uses less digits than its factorization.

83938041757 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2894415262.

The product of its (nonzero) digits is 5080320, while the sum is 55.

The spelling of 83938041757 in words is "eighty-three billion, nine hundred thirty-eight million, forty-one thousand, seven hundred fifty-seven".