83823273738871 has 4 divisors (see below), whose sum is σ = 83823302705632. Its totient is φ = 83823244772112.

The previous prime is 83823273738779. The next prime is 83823273738877. The reversal of 83823273738871 is 17883737232838.

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

It is a cyclic number.

It is not a de Polignac number, because 83823273738871 - 2²³ = 83823265350263 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 83823273738871.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (83823273738877) 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, 9592095 + ... + 16113808.

It is an arithmetic number, because the mean of its divisors is an integer number (20955825676408).

Almost surely, 2^{83823273738871} is an apocalyptic number.

83823273738871 is a deficient number, since it is larger than the sum of its proper divisors (28966761).

83823273738871 is a wasteful number, since it uses less digits than its factorization.

83823273738871 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28966760.

The product of its digits is 455196672, while the sum is 70.

The spelling of 83823273738871 in words is "eighty-three trillion, eight hundred twenty-three billion, two hundred seventy-three million, seven hundred thirty-eight thousand, eight hundred seventy-one".