83360860309 has 4 divisors (see below), whose sum is σ = 83361438540. Its totient is φ = 83360282080.

The previous prime is 83360860307. The next prime is 83360860351. The reversal of 83360860309 is 90306806338.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It can be written as a sum of positive squares in 2 ways, for example, as 59736248100 + 23624612209 = 244410^2 + 153703^2 .

It is a cyclic number.

It is not a de Polignac number, because 83360860309 - 2¹ = 83360860307 is a prime.

It is a super-2 number, since 2×83360860309² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (83360860307) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 121977 + ... + 426145.

It is an arithmetic number, because the mean of its divisors is an integer number (20840359635).

Almost surely, 2^83360860309 is an apocalyptic number.

It is an amenable number.

83360860309 is a deficient number, since it is larger than the sum of its proper divisors (578231).

83360860309 is a wasteful number, since it uses less digits than its factorization.

83360860309 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 578230.

The product of its (nonzero) digits is 559872, while the sum is 46.

The spelling of 83360860309 in words is "eighty-three billion, three hundred sixty million, eight hundred sixty thousand, three hundred nine".