682779341 has 4 divisors (see below), whose sum is σ = 687128412. Its totient is φ = 678430272.

The previous prime is 682779319. The next prime is 682779343. The reversal of 682779341 is 143977286.

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 58828900 + 623950441 = 7670^2 + 24979^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-682779341 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (682779343) 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, 2174300 + ... + 2174613.

It is an arithmetic number, because the mean of its divisors is an integer number (171782103).

Almost surely, 2^682779341 is an apocalyptic number.

It is an amenable number.

682779341 is a deficient number, since it is larger than the sum of its proper divisors (4349071).

682779341 is a wasteful number, since it uses less digits than its factorization.

682779341 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4349070.

The product of its digits is 508032, while the sum is 47.

The square root of 682779341 is about 26130.0467087221. The cubic root of 682779341 is about 880.5623734012.

It can be divided in two parts, 6827 and 79341, that added together give a palindrome (86168).

The spelling of 682779341 in words is "six hundred eighty-two million, seven hundred seventy-nine thousand, three hundred forty-one".