83353856017 has 4 divisors (see below), whose sum is σ = 88257024036. Its totient is φ = 78450688000.

The previous prime is 83353856009. The next prime is 83353856023. The reversal of 83353856017 is 71065835338.

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: 71065835338 = 2 ⋅35532917669.

It can be written as a sum of positive squares in 2 ways, for example, as 59008183056 + 24345672961 = 242916^2 + 156031^2 .

It is a cyclic number.

It is not a de Polignac number, because 83353856017 - 2³ = 83353856009 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (83353856057) 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, 2451583984 + ... + 2451584017.

It is an arithmetic number, because the mean of its divisors is an integer number (22064256009).

Almost surely, 2^83353856017 is an apocalyptic number.

It is an amenable number.

83353856017 is a deficient number, since it is larger than the sum of its proper divisors (4903168019).

83353856017 is a wasteful number, since it uses less digits than its factorization.

83353856017 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4903168018.

The product of its (nonzero) digits is 1814400, while the sum is 49.

The spelling of 83353856017 in words is "eighty-three billion, three hundred fifty-three million, eight hundred fifty-six thousand, seventeen".