83877040193 has 4 divisors (see below), whose sum is σ = 83889563988. Its totient is φ = 83864516400.

The previous prime is 83877040189. The next prime is 83877040211. The reversal of 83877040193 is 39104077838.

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

It can be written as a sum of positive squares in 2 ways, for example, as 67012641424 + 16864398769 = 258868^2 + 129863^2 .

It is a cyclic number.

It is not a de Polignac number, because 83877040193 - 2² = 83877040189 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (83877040133) 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, 6251846 + ... + 6265247.

It is an arithmetic number, because the mean of its divisors is an integer number (20972390997).

Almost surely, 2^83877040193 is an apocalyptic number.

It is an amenable number.

83877040193 is a deficient number, since it is larger than the sum of its proper divisors (12523795).

83877040193 is a wasteful number, since it uses less digits than its factorization.

83877040193 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12523794.

The product of its (nonzero) digits is 1016064, while the sum is 50.

The spelling of 83877040193 in words is "eighty-three billion, eight hundred seventy-seven million, forty thousand, one hundred ninety-three".