83214550777187 has 4 divisors (see below), whose sum is σ = 83217820915056. Its totient is φ = 83211280639320.

The previous prime is 83214550777177. The next prime is 83214550777199. The reversal of 83214550777187 is 78177705541238.

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 83214550777187 - 2⁶ = 83214550777123 is a prime.

It is a super-2 number, since 2×83214550777187² (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (83214550777157) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1635030764 + ... + 1635081657.

It is an arithmetic number, because the mean of its divisors is an integer number (20804455228764).

Almost surely, 2^{83214550777187} is an apocalyptic number.

83214550777187 is a deficient number, since it is larger than the sum of its proper divisors (3270137869).

83214550777187 is a wasteful number, since it uses less digits than its factorization.

83214550777187 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3270137868.

The product of its (nonzero) digits is 92198400, while the sum is 65.

The spelling of 83214550777187 in words is "eighty-three trillion, two hundred fourteen billion, five hundred fifty million, seven hundred seventy-seven thousand, one hundred eighty-seven".