83379638855 has 8 divisors (see below), whose sum is σ = 105321649200. Its totient is φ = 63192989376.

The previous prime is 83379638851. The next prime is 83379638857. The reversal of 83379638855 is 55883697338.

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 83379638855 - 2² = 83379638851 is a prime.

It is a super-2 number, since 2×83379638855² (a number of 23 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 83379638791 and 83379638800.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (83379638851) 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 7 ways as a sum of consecutive naturals, for example, 438840110 + ... + 438840299.

It is an arithmetic number, because the mean of its divisors is an integer number (13165206150).

Almost surely, 2^83379638855 is an apocalyptic number.

83379638855 is a deficient number, since it is larger than the sum of its proper divisors (21942010345).

83379638855 is a wasteful number, since it uses less digits than its factorization.

83379638855 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 877680433.

The product of its digits is 130636800, while the sum is 65.

The spelling of 83379638855 in words is "eighty-three billion, three hundred seventy-nine million, six hundred thirty-eight thousand, eight hundred fifty-five".