83881728713 has 8 divisors (see below), whose sum is σ = 90682950720. Its totient is φ = 77319146160.

The previous prime is 83881728703. The next prime is 83881728761. The reversal of 83881728713 is 31782718838.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 83881728713 - 2¹⁰ = 83881727689 is a prime.

It is a super-2 number, since 2×83881728713² (a number of 23 digits) contains 22 as substring.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (83881728703) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 59659133 + ... + 59660538.

It is an arithmetic number, because the mean of its divisors is an integer number (11335368840).

Almost surely, 2^83881728713 is an apocalyptic number.

It is an amenable number.

83881728713 is a deficient number, since it is larger than the sum of its proper divisors (6801222007).

83881728713 is a wasteful number, since it uses less digits than its factorization.

83881728713 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 119319727.

The product of its digits is 3612672, while the sum is 56.

The spelling of 83881728713 in words is "eighty-three billion, eight hundred eighty-one million, seven hundred twenty-eight thousand, seven hundred thirteen".