83504066363357 has 4 divisors (see below), whose sum is σ = 84064496339100. Its totient is φ = 82943636387616.

The previous prime is 83504066363261. The next prime is 83504066363387. The reversal of 83504066363357 is 75336366040538.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 5220041437081 + 78284024926276 = 2284741^2 + 8847826^2 .

It is a cyclic number.

It is not a de Polignac number, because 83504066363357 - 2¹⁸ = 83504066101213 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 83504066363296 and 83504066363305.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (83504066363387) 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, 280214987648 + ... + 280214987945.

It is an arithmetic number, because the mean of its divisors is an integer number (21016124084775).

Almost surely, 2^{83504066363357} is an apocalyptic number.

It is an amenable number.

83504066363357 is a deficient number, since it is larger than the sum of its proper divisors (560429975743).

83504066363357 is a wasteful number, since it uses less digits than its factorization.

83504066363357 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 560429975742.

The product of its (nonzero) digits is 97977600, while the sum is 59.

The spelling of 83504066363357 in words is "eighty-three trillion, five hundred four billion, sixty-six million, three hundred sixty-three thousand, three hundred fifty-seven".