682413778 has 4 divisors (see below), whose sum is σ = 1023620670. Its totient is φ = 341206888.

The previous prime is 682413769. The next prime is 682413791. The reversal of 682413778 is 877314286.

682413778 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 877314286 = 2 ⋅438657143.

It can be written as a sum of positive squares in only one way, i.e., 404291449 + 278122329 = 20107^2 + 16677^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 170603443 + ... + 170603446.

Almost surely, 2^682413778 is an apocalyptic number.

682413778 is a deficient number, since it is larger than the sum of its proper divisors (341206892).

682413778 is a wasteful number, since it uses less digits than its factorization.

682413778 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 341206891.

The product of its digits is 451584, while the sum is 46.

The square root of 682413778 is about 26123.0507023969. The cubic root of 682413778 is about 880.4051930503.

It can be divided in two parts, 6824 and 13778, that added together give a palindrome (20602).

The spelling of 682413778 in words is "six hundred eighty-two million, four hundred thirteen thousand, seven hundred seventy-eight".