682745879171 has 4 divisors (see below), whose sum is σ = 682748150952. Its totient is φ = 682743607392.

The previous prime is 682745879161. The next prime is 682745879177. The reversal of 682745879171 is 171978547286.

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 682745879171 - 2²⁶ = 682678770307 is a prime.

It is a super-2 number, since 2×682745879171² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 682745879098 and 682745879107.

It is not an unprimeable number, because it can be changed into a prime (682745879177) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 601190 + ... + 1314123.

It is an arithmetic number, because the mean of its divisors is an integer number (170687037738).

Almost surely, 2^682745879171 is an apocalyptic number.

682745879171 is a deficient number, since it is larger than the sum of its proper divisors (2271781).

682745879171 is a wasteful number, since it uses less digits than its factorization.

682745879171 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2271780.

The product of its digits is 47416320, while the sum is 65.

The spelling of 682745879171 in words is "six hundred eighty-two billion, seven hundred forty-five million, eight hundred seventy-nine thousand, one hundred seventy-one".